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[PATCH OLK-6.6 0/5] zcopy: A zero-copy data transfer mechanism for HPC
by Liu Mingrui 14 Nov '25

14 Nov '25

This patchset provides a PAGEATTACH mechanism, a zero-copy data transfer solution optimized for High Performance Computing (HPC) workloads. It allows direct sharing of physical memory pages between distinct processes by mapping source pages to a target address space, eliminating redundant data copying and improving large data transfer efficiency. Key features: - Supports zero-copy communication between intra-node processes. - Handles both PTE-level small pages and PMD-level huge pages (2MB). Liu Mingrui (5): zcopy: Initialize zcopy module zcopy: Introduce the pageattach interface zcopy: Extend PMD trans hugepage mapping ability zcopy: Add tracepoint for PageAttach zcopy: Add debug inerface dump_pagetable MAINTAINERS | 6 + drivers/Kconfig | 2 + drivers/Makefile | 3 + drivers/zcopy/Kconfig | 32 ++ drivers/zcopy/Makefile | 2 + drivers/zcopy/zcopy.c | 902 ++++++++++++++++++++++++++++++++++ include/trace/events/attach.h | 157 ++++++ 7 files changed, 1104 insertions(+) create mode 100644 drivers/zcopy/Kconfig create mode 100644 drivers/zcopy/Makefile create mode 100644 drivers/zcopy/zcopy.c create mode 100644 include/trace/events/attach.h -- 2.25.1

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[openeuler:OLK-6.6 3184/3184] drivers/net/ethernet/wangxun/ngbe/ngbe_sriov.c:1079:2: warning: unannotated fall-through between switch labels
by kernel test robot 14 Nov '25

14 Nov '25

tree: https://gitee.com/openeuler/kernel.git OLK-6.6 head: 5cd3a0597fbb381c1713f27fe723b340d36f331a commit: 0e80b39fcf6c1b2a13b11f8632b185a89b012b14 [3184/3184] net: wangxun: ngbe: add support for wangxun 1G config: loongarch-randconfig-002-20251114 (https://download.01.org/0day-ci/archive/20251114/202511140839.9biSTcQm-lkp@…) compiler: clang version 22.0.0git (https://github.com/llvm/llvm-project 0bba1e76581bad04e7d7f09f5115ae5e2989e0d9) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20251114/202511140839.9biSTcQm-lkp@…) If you fix the issue in a separate patch/commit (i.e. not just a new version of the same patch/commit), kindly add following tags | Reported-by: kernel test robot <lkp(a)intel.com> | Closes: https://lore.kernel.org/oe-kbuild-all/202511140839.9biSTcQm-lkp@intel.com/ All warnings (new ones prefixed by >>): >> drivers/net/ethernet/wangxun/ngbe/ngbe_sriov.c:1079:2: warning: unannotated fall-through between switch labels [-Wimplicit-fallthrough] 1079 | case NGBE_VF_BACKUP: | ^ drivers/net/ethernet/wangxun/ngbe/ngbe_sriov.c:1079:2: note: insert 'break;' to avoid fall-through 1079 | case NGBE_VF_BACKUP: | ^ | break; 1 warning generated. -- In file included from drivers/net/ethernet/wangxun/ngbe/ngbe_main.c:43: In file included from include/net/vxlan.h:11: In file included from include/net/nexthop.h:17: include/net/ip6_fib.h:281:10: warning: default initialization of an object of type 'typeof (f6i->expires)' (aka 'const unsigned long') leaves the object uninitialized [-Wdefault-const-init-var-unsafe] 281 | return time_after(jiffies, f6i->expires); | ^ include/linux/jiffies.h:126:3: note: expanded from macro 'time_after' 126 | typecheck(unsigned long, b) && \ | ^ include/linux/typecheck.h:11:12: note: expanded from macro 'typecheck' 11 | typeof(x) __dummy2; \ | ^ drivers/net/ethernet/wangxun/ngbe/ngbe_main.c:3772:6: warning: variable 'vlvfb' set but not used [-Wunused-but-set-variable] 3772 | u32 vlvfb; | ^ >> drivers/net/ethernet/wangxun/ngbe/ngbe_main.c:3878:20: warning: variable 'vlnctrl' set but not used [-Wunused-but-set-variable] 3878 | u32 fctrl, vmolr, vlnctrl; | ^ drivers/net/ethernet/wangxun/ngbe/ngbe_main.c:6911:13: warning: unused function 'ngbe_netpoll' [-Wunused-function] 6911 | static void ngbe_netpoll(struct net_device *netdev) | ^~~~~~~~~~~~ 4 warnings generated. -- >> drivers/net/ethernet/wangxun/ngbe/ngbe_ptp.c:631:2: warning: unannotated fall-through between switch labels [-Wimplicit-fallthrough] 631 | case HWTSTAMP_TX_ON: | ^ drivers/net/ethernet/wangxun/ngbe/ngbe_ptp.c:631:2: note: insert 'break;' to avoid fall-through 631 | case HWTSTAMP_TX_ON: | ^ | break; 1 warning generated. vim +1079 drivers/net/ethernet/wangxun/ngbe/ngbe_sriov.c 1005 1006 static int ngbe_rcv_msg_from_vf(struct ngbe_adapter *adapter, u16 vf) 1007 { 1008 u16 mbx_size = NGBE_VXMAILBOX_SIZE; 1009 u32 msgbuf[NGBE_VXMAILBOX_SIZE]; 1010 struct ngbe_hw *hw = &adapter->hw; 1011 s32 retval; 1012 1013 retval = ngbe_read_mbx(hw, msgbuf, mbx_size, vf); 1014 1015 if (retval) { 1016 pr_err("Error receiving message from VF\n"); 1017 return retval; 1018 } 1019 1020 /* this is a message we already processed, do nothing */ 1021 if (msgbuf[0] & (NGBE_VT_MSGTYPE_ACK | NGBE_VT_MSGTYPE_NACK)) 1022 return retval; 1023 1024 /* flush the ack before we write any messages back */ 1025 NGBE_WRITE_FLUSH(hw); 1026 1027 if (msgbuf[0] == NGBE_VF_RESET) 1028 return ngbe_vf_reset_msg(adapter, vf); 1029 1030 /* until the vf completes a virtual function reset it should not be 1031 * allowed to start any configuration. 1032 */ 1033 1034 if (!adapter->vfinfo[vf].clear_to_send) { 1035 msgbuf[0] |= NGBE_VT_MSGTYPE_NACK; 1036 ngbe_write_mbx(hw, msgbuf, 1, vf); 1037 return retval; 1038 } 1039 1040 switch ((msgbuf[0] & 0xFFFF)) { 1041 case NGBE_VF_SET_MAC_ADDR: 1042 retval = ngbe_set_vf_mac_addr(adapter, msgbuf, vf); 1043 break; 1044 case NGBE_VF_SET_MULTICAST: 1045 retval = ngbe_set_vf_multicasts(adapter, msgbuf, vf); 1046 break; 1047 case NGBE_VF_SET_VLAN: 1048 retval = ngbe_set_vf_vlan_msg(adapter, msgbuf, vf); 1049 break; 1050 case NGBE_VF_SET_LPE: 1051 if (msgbuf[1] > NGBE_MAX_JUMBO_FRAME_SIZE) { 1052 e_err(drv, 1053 "VF max_frame %d exceed MAX_JUMBO_FRAME_SIZE\n", 1054 msgbuf[1]); 1055 return -EINVAL; 1056 } 1057 retval = ngbe_set_vf_lpe(adapter, msgbuf[1], vf); 1058 break; 1059 case NGBE_VF_SET_MACVLAN: 1060 retval = ngbe_set_vf_macvlan_msg(adapter, msgbuf, vf); 1061 break; 1062 case NGBE_VF_API_NEGOTIATE: 1063 retval = ngbe_negotiate_vf_api(adapter, msgbuf, vf); 1064 break; 1065 case NGBE_VF_GET_QUEUES: 1066 retval = ngbe_get_vf_queues(adapter, msgbuf, vf); 1067 break; 1068 case NGBE_VF_UPDATE_XCAST_MODE: 1069 retval = ngbe_update_vf_xcast_mode(adapter, msgbuf, vf); 1070 break; 1071 case NGBE_VF_GET_LINK_STATE: 1072 retval = ngbe_get_vf_link_state(adapter, msgbuf, vf); 1073 break; 1074 case NGBE_VF_GET_LINK_STATUS: 1075 retval = ngbe_get_vf_link_status(adapter, msgbuf, vf); 1076 break; 1077 case NGBE_VF_GET_FW_VERSION: 1078 retval = ngbe_get_fw_version(adapter, msgbuf, vf); > 1079 case NGBE_VF_BACKUP: 1080 break; 1081 default: 1082 e_err(drv, "Unhandled Msg %8.8x\n", msgbuf[0]); 1083 retval = NGBE_ERR_MBX; 1084 break; 1085 } 1086 1087 /* notify the VF of the results of what it sent us */ 1088 if (retval) 1089 msgbuf[0] |= NGBE_VT_MSGTYPE_NACK; 1090 else 1091 msgbuf[0] |= NGBE_VT_MSGTYPE_ACK; 1092 1093 msgbuf[0] |= NGBE_VT_MSGTYPE_CTS; 1094 1095 ngbe_write_mbx(hw, msgbuf, mbx_size, vf); 1096 1097 return retval; 1098 } 1099 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki

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[openeuler:OLK-6.6 3177/3177] versioncheck: ./drivers/ub/urma/ubcore/net/ubcore_sock.c: 23 linux/version.h not needed.
by kernel test robot 14 Nov '25

14 Nov '25

tree: https://gitee.com/openeuler/kernel.git OLK-6.6 head: 02aae9b358b7b6ffeedc6e76c0de09aaf467b96c commit: fa2cd1217a55bfd5ad96e991f64f72d9692844e1 [3177/3177] urma: add network framework facilities for ubcore. reproduce: (https://download.01.org/0day-ci/archive/20251113/202511130848.atLAA3dx-lkp@…) If you fix the issue in a separate patch/commit (i.e. not just a new version of the same patch/commit), kindly add following tags | Reported-by: kernel test robot <lkp(a)intel.com> | Closes: https://lore.kernel.org/oe-kbuild-all/202511130848.atLAA3dx-lkp@intel.com/ versioncheck warnings: (new ones prefixed by >>) INFO PATH=/opt/cross/clang-20/bin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin /usr/bin/timeout -k 100 3h /usr/bin/make KCFLAGS= -fno-crash-diagnostics -Wno-error=return-type -Wreturn-type -funsigned-char -Wundef W=1 --keep-going LLVM=1 -j32 ARCH=x86_64 versioncheck find ./* \( -name SCCS -o -name BitKeeper -o -name .svn -o -name CVS -o -name .pc -o -name .hg -o -name .git \) -prune -o \ -name '*.[hcS]' -type f -print | sort \ | xargs perl -w ./scripts/checkversion.pl ./drivers/accessibility/speakup/genmap.c: 13 linux/version.h not needed. ./drivers/accessibility/speakup/makemapdata.c: 13 linux/version.h not needed. ./drivers/char/ipmi/ipmi_si_ls2k500.c: 19 linux/version.h not needed. ./drivers/crypto/ccp/hygon/hct.c: 6 linux/version.h not needed. ./drivers/crypto/ccp/hygon/tdm-dev.h: 29 linux/version.h not needed. ./drivers/crypto/montage/tsse/tsse_vuart.c: 21 linux/version.h not needed. ./drivers/crypto/sedriver/wst_se_common_type.h: 19 linux/version.h not needed. ./drivers/gpu/drm/phytium/phytium_gem.c: 9 linux/version.h not needed. ./drivers/i2c/busses/i2c-zhaoxin.c: 18 linux/version.h not needed. ./drivers/net/ethernet/3snic/sssnic/include/kernel/sss_linux_kernel.h: 13 linux/version.h not needed. ./drivers/net/ethernet/huawei/bma/edma_drv/bma_include.h: 32 linux/version.h not needed. ./drivers/net/ethernet/huawei/bma/edma_drv/bma_pci.c: 17 linux/version.h not needed. ./drivers/net/ethernet/huawei/bma/kbox_drv/kbox_include.h: 20 linux/version.h not needed. ./drivers/net/ethernet/huawei/bma/kbox_drv/kbox_main.c: 22 linux/version.h not needed. ./drivers/net/ethernet/huawei/bma/kbox_drv/kbox_mce.c: 16 linux/version.h not needed. ./drivers/net/ethernet/huawei/bma/kbox_drv/kbox_ram_op.c: 16 linux/version.h not needed. ./drivers/net/ethernet/huawei/hinic/ossl_knl.h: 22 linux/version.h not needed. ./drivers/net/ethernet/huawei/hinic3/bond/hinic3_bond.c: 12 linux/version.h not needed. ./drivers/net/ethernet/huawei/hinic3/ossl_knl_linux.h: 12 linux/version.h not needed. ./drivers/net/ethernet/linkdata/sxe/base/compat/sxe_compat.h: 16 linux/version.h not needed. ./drivers/net/ethernet/linkdata/sxevf/base/compat/sxe_compat.h: 16 linux/version.h not needed. ./drivers/net/ethernet/mucse/rnpm/rnpm_common.h: 7 linux/version.h not needed. ./drivers/net/ethernet/yunsilicon/xsc/common/xsc_core.h: 26 linux/version.h not needed. ./drivers/scsi/hisi_raid/hiraid_main.c: 9 linux/version.h not needed. ./drivers/scsi/linkdata/ps3stor/linux/ps3_base.c: 11 linux/version.h not needed. ./drivers/scsi/linkdata/ps3stor/linux/ps3_cli.c: 14 linux/version.h not needed. ./drivers/scsi/linkdata/ps3stor/linux/ps3_driver_log.c: 3 linux/version.h not needed. ./drivers/scsi/linkdata/ps3stor/ps3_device_manager.h: 9 linux/version.h not needed. ./drivers/scsi/linkdata/ps3stor/ps3_device_manager_sas.h: 6 linux/version.h not needed. ./drivers/scsi/linkdata/ps3stor/ps3_qos.c: 6 linux/version.h not needed. ./drivers/scsi/linkdata/ps3stor/ps3_rb_tree.h: 7 linux/version.h not needed. ./drivers/scsi/linkdata/ps3stor/ps3_sas_transport.h: 9 linux/version.h not needed. ./drivers/scsi/linkdata/ps3stor/ps3_scsi_cmd_err.c: 9 linux/version.h not needed. ./drivers/scsi/sssraid/sssraid_fw.c: 6 linux/version.h not needed. ./drivers/scsi/sssraid/sssraid_os.c: 6 linux/version.h not needed. ./drivers/staging/media/atomisp/include/linux/atomisp.h: 23 linux/version.h not needed. >> ./drivers/ub/urma/ubcore/net/ubcore_sock.c: 23 linux/version.h not needed. ./fs/proc/etmem_scan.c: 13 linux/version.h not needed. ./samples/bpf/spintest.bpf.c: 8 linux/version.h not needed. ./samples/trace_events/trace_custom_sched.c: 11 linux/version.h not needed. ./sound/soc/codecs/cs42l42.c: 14 linux/version.h not needed. ./tools/lib/bpf/bpf_helpers.h: 402: need linux/version.h ./tools/testing/selftests/bpf/progs/dev_cgroup.c: 9 linux/version.h not needed. ./tools/testing/selftests/bpf/progs/netcnt_prog.c: 3 linux/version.h not needed. ./tools/testing/selftests/bpf/progs/test_map_lock.c: 4 linux/version.h not needed. ./tools/testing/selftests/bpf/progs/test_send_signal_kern.c: 4 linux/version.h not needed. ./tools/testing/selftests/bpf/progs/test_spin_lock.c: 4 linux/version.h not needed. ./tools/testing/selftests/bpf/progs/test_tcp_estats.c: 37 linux/version.h not needed. ./tools/testing/selftests/wireguard/qemu/init.c: 27 linux/version.h not needed. -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki

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[openeuler:OLK-6.6 3182/3182] include/linux/migrate.h:102:9: error: expected identifier or '(' before '{' token
by kernel test robot 13 Nov '25

13 Nov '25

tree: https://gitee.com/openeuler/kernel.git OLK-6.6 head: 7c9750f803899fe67a8d281d2d283e8d75d08d4d commit: 2a212a2a044ed85140cdf66e516f6bde7da08e9d [3182/3182] mm: migrate: add isolate_and_migrate_folios() config: arm64-allnoconfig (https://download.01.org/0day-ci/archive/20251113/202511131914.MqxXnsR5-lkp@…) compiler: aarch64-linux-gcc (GCC) 15.1.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20251113/202511131914.MqxXnsR5-lkp@…) If you fix the issue in a separate patch/commit (i.e. not just a new version of the same patch/commit), kindly add following tags | Reported-by: kernel test robot <lkp(a)intel.com> | Closes: https://lore.kernel.org/oe-kbuild-all/202511131914.MqxXnsR5-lkp@intel.com/ All error/warnings (new ones prefixed by >>): In file included from mm/filemap.c:45: >> include/linux/migrate.h:102:9: error: expected identifier or '(' before '{' token 102 | { return -EINVAL; } | ^ >> include/linux/migrate.h:98:19: warning: 'isolate_and_migrate_folios' declared 'static' but never defined [-Wunused-function] 98 | static inline int isolate_and_migrate_folios(struct folio **folios, unsigned int nr_folios, | ^~~~~~~~~~~~~~~~~~~~~~~~~~ -- In file included from mm/shmem.c:72: >> include/linux/migrate.h:102:9: error: expected identifier or '(' before '{' token 102 | { return -EINVAL; } | ^ mm/shmem.c: In function 'shmem_swapin_cluster': mm/shmem.c:1699:51: error: passing argument 3 of 'swap_cluster_readahead' from incompatible pointer type [-Wincompatible-pointer-types] 1699 | folio = swap_cluster_readahead(swap, gfp, mpol, ilx); | ^~~~ | | | struct mempolicy * In file included from mm/shmem.c:43: mm/swap.h:102:66: note: expected 'struct vm_fault *' but argument is of type 'struct mempolicy *' 102 | gfp_t gfp_mask, struct vm_fault *vmf) | ~~~~~~~~~~~~~~~~~^~~ mm/shmem.c:1699:17: error: too many arguments to function 'swap_cluster_readahead'; expected 3, have 4 1699 | folio = swap_cluster_readahead(swap, gfp, mpol, ilx); | ^~~~~~~~~~~~~~~~~~~~~~ ~~~ mm/swap.h:101:29: note: declared here 101 | static inline struct folio *swap_cluster_readahead(swp_entry_t entry, | ^~~~~~~~~~~~~~~~~~~~~~ include/linux/migrate.h: At top level: >> include/linux/migrate.h:98:19: warning: 'isolate_and_migrate_folios' declared 'static' but never defined [-Wunused-function] 98 | static inline int isolate_and_migrate_folios(struct folio **folios, unsigned int nr_folios, | ^~~~~~~~~~~~~~~~~~~~~~~~~~ -- In file included from mm/memory.c:68: >> include/linux/migrate.h:102:9: error: expected identifier or '(' before '{' token 102 | { return -EINVAL; } | ^ mm/memory.c: In function 'do_numa_page': mm/memory.c:5538:24: warning: variable 'nr_pages' set but not used [-Wunused-but-set-variable] 5538 | int flags = 0, nr_pages; | ^~~~~~~~ include/linux/migrate.h: At top level: >> include/linux/migrate.h:98:19: warning: 'isolate_and_migrate_folios' declared 'static' but never defined [-Wunused-function] 98 | static inline int isolate_and_migrate_folios(struct folio **folios, unsigned int nr_folios, | ^~~~~~~~~~~~~~~~~~~~~~~~~~ Kconfig warnings: (for reference only) WARNING: unmet direct dependencies detected for ARCH_SUPPORTS_SCHED_SOFT_QUOTA Depends on [n]: CGROUPS [=n] Selected by [y]: - ARM64 [=y] WARNING: unmet direct dependencies detected for HALTPOLL_CPUIDLE Depends on [n]: CPU_IDLE [=n] && ARCH_CPUIDLE_HALTPOLL [=y] && ARCH_HAS_OPTIMIZED_POLL [=y] Selected by [y]: - ARM64 [=y] vim +102 include/linux/migrate.h 89 90 static inline void putback_movable_pages(struct list_head *l) {} 91 static inline int migrate_pages(struct list_head *l, new_folio_t new, 92 free_folio_t free, unsigned long private, 93 enum migrate_mode mode, int reason, unsigned int *ret_succeeded) 94 { return -ENOSYS; } 95 static inline struct folio *alloc_migration_target(struct folio *src, 96 unsigned long private) 97 { return NULL; } > 98 static inline int isolate_and_migrate_folios(struct folio **folios, unsigned int nr_folios, 99 new_folio_t get_new_folio, free_folio_t put_new_folio, 100 unsigned long private, enum migrate_mode mode, 101 unsigned int *nr_succeeded); > 102 { return -EINVAL; } 103 static inline bool isolate_movable_page(struct page *page, isolate_mode_t mode) 104 { return false; } 105 static inline bool isolate_folio_to_list(struct folio *folio, struct list_head *list) 106 { return false; } 107 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki

1 0

[openeuler:OLK-5.10] BUILD REGRESSION f4d827c24653cff795c5372367a6360da8e5964f
by kernel test robot 13 Nov '25

13 Nov '25

tree/branch: https://gitee.com/openeuler/kernel.git OLK-5.10 branch HEAD: f4d827c24653cff795c5372367a6360da8e5964f !18890 ntb_hw_switchtec: Fix shift-out-of-bounds in switchtec_ntb_mw_set_trans Error/Warning (recently discovered and may have been fixed): https://lore.kernel.org/oe-kbuild-all/202510161956.PnDe2iFY-lkp@intel.com https://lore.kernel.org/oe-kbuild-all/202511102332.qUTQH99w-lkp@intel.com ../lib/gcc/aarch64-linux/5.5.0/plugin/include/config/elfos.h:102:21: warning: invalid suffix on literal; C++11 requires a space between literal and string macro [-Wliteral-suffix] ../lib/gcc/aarch64-linux/5.5.0/plugin/include/defaults.h:126:24: warning: invalid suffix on literal; C++11 requires a space between literal and string macro [-Wliteral-suffix] arch/x86/events/intel/core.c:6874:7: warning: variable 'name' is used uninitialized whenever switch case is taken [-Wsometimes-uninitialized] arch/x86/kvm/x86.c:8644:5: warning: no previous prototype for '__kvm_vcpu_halt' [-Wmissing-prototypes] kernel/sched/soft_domain.c:186:10: error: implicit declaration of function 'cpu_util_cfs' [-Werror,-Wimplicit-function-declaration] mm/compaction.c:56:18: warning: 'HPAGE_FRAG_CHECK_INTERVAL_MSEC' defined but not used [-Wunused-const-variable=] mm/filemap.c:823:14: warning: no previous prototype for '__add_to_page_cache_locked' [-Wmissing-prototypes] mm/page_alloc.c:3603:15: warning: no previous prototype for 'should_fail_alloc_page' [-Wmissing-prototypes] mm/truncate.c:543: warning: Function parameter or member 'end' not described in 'invalidate_mapping_pagevec' mm/truncate.c:543: warning: Function parameter or member 'mapping' not described in 'invalidate_mapping_pagevec' mm/truncate.c:543: warning: Function parameter or member 'nr_pagevec' not described in 'invalidate_mapping_pagevec' mm/truncate.c:543: warning: Function parameter or member 'start' not described in 'invalidate_mapping_pagevec' Unverified Error/Warning (likely false positive, kindly check if interested): mm/vmscan.o: warning: objtool: do_shrink_slab() falls through to next function allow_direct_reclaim() mm/vmscan.o: warning: objtool: shrink_slab() falls through to next function drop_slab() scripts/gcc-plugins/randomize_layout_plugin.c:692:20: error: 'last_stmt' was not declared in this scope; did you mean 'call_stmt'? steal_time.c:325:25: warning: 'pthread_yield' is deprecated: pthread_yield is deprecated, use sched_yield instead [-Wdeprecated-declarations] Error/Warning ids grouped by kconfigs: recent_errors |-- arm64-allnoconfig | |-- mm-filemap.c:warning:no-previous-prototype-for-__add_to_page_cache_locked | |-- mm-page_alloc.c:warning:no-previous-prototype-for-arch_memmap_init | |-- mm-page_alloc.c:warning:no-previous-prototype-for-should_fail_alloc_page | |-- mm-truncate.c:warning:Function-parameter-or-member-end-not-described-in-invalidate_mapping_pagevec | |-- mm-truncate.c:warning:Function-parameter-or-member-mapping-not-described-in-invalidate_mapping_pagevec | |-- mm-truncate.c:warning:Function-parameter-or-member-nr_pagevec-not-described-in-invalidate_mapping_pagevec | `-- mm-truncate.c:warning:Function-parameter-or-member-start-not-described-in-invalidate_mapping_pagevec |-- arm64-defconfig | |-- crypto-af_alg.c:warning:Function-parameter-or-member-min-not-described-in-af_alg_wait_for_data | |-- mm-filemap.c:warning:no-previous-prototype-for-__add_to_page_cache_locked | |-- mm-page_alloc.c:warning:no-previous-prototype-for-arch_memmap_init | |-- mm-page_alloc.c:warning:no-previous-prototype-for-should_fail_alloc_page | |-- mm-truncate.c:warning:Function-parameter-or-member-end-not-described-in-invalidate_mapping_pagevec | |-- mm-truncate.c:warning:Function-parameter-or-member-mapping-not-described-in-invalidate_mapping_pagevec | |-- mm-truncate.c:warning:Function-parameter-or-member-nr_pagevec-not-described-in-invalidate_mapping_pagevec | `-- mm-truncate.c:warning:Function-parameter-or-member-start-not-described-in-invalidate_mapping_pagevec |-- arm64-randconfig-001-20250830 | `-- mm-compaction.c:warning:HPAGE_FRAG_CHECK_INTERVAL_MSEC-defined-but-not-used |-- arm64-randconfig-002-20250321 | |-- lib-gcc-aarch64-linux-..-plugin-include-config-elfos.h:warning:invalid-suffix-on-literal-C-requires-a-space-between-literal-and-string-macro | |-- lib-gcc-aarch64-linux-..-plugin-include-defaults.h:warning:invalid-suffix-on-literal-C-requires-a-space-between-literal-and-string-macro | |-- lib-gcc-aarch64-linux-..-plugin-include-gimple.h:error:field-call_clobbered-has-incomplete-type-pt_solution | |-- lib-gcc-aarch64-linux-..-plugin-include-gimple.h:error:field-call_used-has-incomplete-type-pt_solution | |-- lib-gcc-aarch64-linux-..-plugin-include-gimple.h:error:gimple_call_addr_fndecl-was-not-declared-in-this-scope | `-- lib-gcc-aarch64-linux-..-plugin-include-gimple.h:error:is_gimple_reg-was-not-declared-in-this-scope |-- x86_64-allnoconfig | |-- arch-x86-events-intel-core.c:warning:variable-name-is-used-uninitialized-whenever-switch-case-is-taken | |-- ld.lld:error:version-script-assignment-of-LINUX_2.-to-symbol-__vdso_sgx_enter_enclave-failed:symbol-not-defined | |-- llvm-objcopy:error:arch-x86-entry-vdso-vdso64.so.dbg:No-such-file-or-directory | |-- llvm-objdump:error:arch-x86-entry-vdso-vdso64.so.dbg:No-such-file-or-directory | |-- mm-truncate.c:warning:Function-parameter-or-member-end-not-described-in-invalidate_mapping_pagevec | |-- mm-truncate.c:warning:Function-parameter-or-member-mapping-not-described-in-invalidate_mapping_pagevec | |-- mm-truncate.c:warning:Function-parameter-or-member-nr_pagevec-not-described-in-invalidate_mapping_pagevec | `-- mm-truncate.c:warning:Function-parameter-or-member-start-not-described-in-invalidate_mapping_pagevec |-- x86_64-allnoconfig-bpf | |-- crypto-af_alg.c:warning:Function-parameter-or-member-min-not-described-in-af_alg_wait_for_data | |-- mm-filemap.c:warning:no-previous-prototype-for-__add_to_page_cache_locked | |-- mm-page_alloc.c:warning:no-previous-prototype-for-arch_memmap_init | |-- mm-page_alloc.c:warning:no-previous-prototype-for-should_fail_alloc_page | |-- mm-truncate.c:warning:Function-parameter-or-member-end-not-described-in-invalidate_mapping_pagevec | |-- mm-truncate.c:warning:Function-parameter-or-member-mapping-not-described-in-invalidate_mapping_pagevec | |-- mm-truncate.c:warning:Function-parameter-or-member-nr_pagevec-not-described-in-invalidate_mapping_pagevec | |-- mm-truncate.c:warning:Function-parameter-or-member-start-not-described-in-invalidate_mapping_pagevec | `-- steal_time.c:warning:pthread_yield-is-deprecated:pthread_yield-is-deprecated-use-sched_yield-instead |-- x86_64-buildonly-randconfig-001-20251113 | `-- scripts-gcc-plugins-randomize_layout_plugin.c:error:last_stmt-was-not-declared-in-this-scope |-- x86_64-buildonly-randconfig-002-20250909 | `-- kernel-sched-soft_domain.c:error:implicit-declaration-of-function-cpu_util_cfs-Werror-Wimplicit-function-declaration |-- x86_64-buildonly-randconfig-002-20251113 | |-- arch-x86-events-intel-core.c:warning:variable-name-is-used-uninitialized-whenever-switch-case-is-taken | |-- crypto-af_alg.c:warning:Function-parameter-or-member-min-not-described-in-af_alg_wait_for_data | |-- ld.lld:error:version-script-assignment-of-LINUX_2.-to-symbol-__vdso_sgx_enter_enclave-failed:symbol-not-defined | |-- llvm-objcopy:error:arch-x86-entry-vdso-vdso64.so.dbg:No-such-file-or-directory | |-- llvm-objdump:error:arch-x86-entry-vdso-vdso64.so.dbg:No-such-file-or-directory | |-- mm-truncate.c:warning:Function-parameter-or-member-end-not-described-in-invalidate_mapping_pagevec | |-- mm-truncate.c:warning:Function-parameter-or-member-mapping-not-described-in-invalidate_mapping_pagevec | |-- mm-truncate.c:warning:Function-parameter-or-member-nr_pagevec-not-described-in-invalidate_mapping_pagevec | `-- mm-truncate.c:warning:Function-parameter-or-member-start-not-described-in-invalidate_mapping_pagevec |-- x86_64-buildonly-randconfig-003-20251113 | |-- arch-x86-events-intel-core.c:warning:variable-name-is-used-uninitialized-whenever-switch-case-is-taken | |-- block-bfq-cgroup.c:warning:Excess-function-parameter-blkcg-description-in-__bfq_bic_change_cgroup | |-- block-bfq-cgroup.c:warning:Function-parameter-or-member-bfqg-not-described-in-__bfq_bic_change_cgroup | |-- ld.lld:error:version-script-assignment-of-LINUX_2.-to-symbol-__vdso_sgx_enter_enclave-failed:symbol-not-defined | |-- llvm-objcopy:error:arch-x86-entry-vdso-vdso64.so.dbg:No-such-file-or-directory | |-- llvm-objdump:error:arch-x86-entry-vdso-vdso64.so.dbg:No-such-file-or-directory | |-- mm-truncate.c:warning:Function-parameter-or-member-end-not-described-in-invalidate_mapping_pagevec | |-- mm-truncate.c:warning:Function-parameter-or-member-mapping-not-described-in-invalidate_mapping_pagevec | |-- mm-truncate.c:warning:Function-parameter-or-member-nr_pagevec-not-described-in-invalidate_mapping_pagevec | `-- mm-truncate.c:warning:Function-parameter-or-member-start-not-described-in-invalidate_mapping_pagevec |-- x86_64-buildonly-randconfig-004-20251113 | `-- scripts-gcc-plugins-randomize_layout_plugin.c:error:last_stmt-was-not-declared-in-this-scope |-- x86_64-buildonly-randconfig-005-20251027 | `-- scripts-gcc-plugins-randomize_layout_plugin.c:error:last_stmt-was-not-declared-in-this-scope |-- x86_64-buildonly-randconfig-005-20251113 | |-- block-bfq-cgroup.c:warning:Excess-function-parameter-blkcg-description-in-__bfq_bic_change_cgroup | |-- block-bfq-cgroup.c:warning:Function-parameter-or-member-bfqg-not-described-in-__bfq_bic_change_cgroup | |-- block-bfq-cgroup.c:warning:no-previous-prototype-for-bfqg_and_blkg_get | |-- mm-compaction.c:warning:HPAGE_FRAG_CHECK_INTERVAL_MSEC-defined-but-not-used | |-- mm-filemap.c:warning:no-previous-prototype-for-__add_to_page_cache_locked | |-- mm-page_alloc.c:warning:no-previous-prototype-for-arch_memmap_init | |-- mm-page_alloc.c:warning:no-previous-prototype-for-should_fail_alloc_page | |-- mm-truncate.c:warning:Function-parameter-or-member-end-not-described-in-invalidate_mapping_pagevec | |-- mm-truncate.c:warning:Function-parameter-or-member-mapping-not-described-in-invalidate_mapping_pagevec | |-- mm-truncate.c:warning:Function-parameter-or-member-nr_pagevec-not-described-in-invalidate_mapping_pagevec | `-- mm-truncate.c:warning:Function-parameter-or-member-start-not-described-in-invalidate_mapping_pagevec |-- x86_64-buildonly-randconfig-006-20251113 | |-- block-bfq-cgroup.c:warning:Excess-function-parameter-blkcg-description-in-__bfq_bic_change_cgroup | |-- block-bfq-cgroup.c:warning:Function-parameter-or-member-bfqg-not-described-in-__bfq_bic_change_cgroup | |-- crypto-af_alg.c:warning:Function-parameter-or-member-min-not-described-in-af_alg_wait_for_data | |-- mm-filemap.c:warning:no-previous-prototype-for-__add_to_page_cache_locked | |-- mm-page_alloc.c:warning:no-previous-prototype-for-arch_memmap_init | |-- mm-page_alloc.c:warning:no-previous-prototype-for-should_fail_alloc_page | |-- mm-truncate.c:warning:Function-parameter-or-member-end-not-described-in-invalidate_mapping_pagevec | |-- mm-truncate.c:warning:Function-parameter-or-member-mapping-not-described-in-invalidate_mapping_pagevec | |-- mm-truncate.c:warning:Function-parameter-or-member-nr_pagevec-not-described-in-invalidate_mapping_pagevec | `-- mm-truncate.c:warning:Function-parameter-or-member-start-not-described-in-invalidate_mapping_pagevec |-- x86_64-defconfig | |-- mm-filemap.c:warning:no-previous-prototype-for-__add_to_page_cache_locked | |-- mm-page_alloc.c:warning:no-previous-prototype-for-arch_memmap_init | |-- mm-page_alloc.c:warning:no-previous-prototype-for-should_fail_alloc_page | |-- mm-truncate.c:warning:Function-parameter-or-member-end-not-described-in-invalidate_mapping_pagevec | |-- mm-truncate.c:warning:Function-parameter-or-member-mapping-not-described-in-invalidate_mapping_pagevec | |-- mm-truncate.c:warning:Function-parameter-or-member-nr_pagevec-not-described-in-invalidate_mapping_pagevec | `-- mm-truncate.c:warning:Function-parameter-or-member-start-not-described-in-invalidate_mapping_pagevec |-- x86_64-randconfig-001-20251113 | |-- block-bfq-cgroup.c:warning:Excess-function-parameter-blkcg-description-in-__bfq_bic_change_cgroup | |-- block-bfq-cgroup.c:warning:Function-parameter-or-member-bfqg-not-described-in-__bfq_bic_change_cgroup | |-- block-bfq-cgroup.c:warning:no-previous-prototype-for-bfqg_and_blkg_get | |-- crypto-af_alg.c:warning:Function-parameter-or-member-min-not-described-in-af_alg_wait_for_data | |-- mm-filemap.c:warning:no-previous-prototype-for-__add_to_page_cache_locked | |-- mm-page_alloc.c:warning:no-previous-prototype-for-arch_memmap_init | |-- mm-page_alloc.c:warning:no-previous-prototype-for-should_fail_alloc_page | |-- mm-truncate.c:warning:Function-parameter-or-member-end-not-described-in-invalidate_mapping_pagevec | |-- mm-truncate.c:warning:Function-parameter-or-member-mapping-not-described-in-invalidate_mapping_pagevec | |-- mm-truncate.c:warning:Function-parameter-or-member-nr_pagevec-not-described-in-invalidate_mapping_pagevec | `-- mm-truncate.c:warning:Function-parameter-or-member-start-not-described-in-invalidate_mapping_pagevec |-- x86_64-randconfig-002-20251113 | |-- arch-x86-events-intel-core.c:warning:variable-name-is-used-uninitialized-whenever-switch-case-is-taken | |-- block-bfq-cgroup.c:warning:Excess-function-parameter-blkcg-description-in-__bfq_bic_change_cgroup | |-- block-bfq-cgroup.c:warning:Function-parameter-or-member-bfqg-not-described-in-__bfq_bic_change_cgroup | |-- crypto-af_alg.c:warning:Function-parameter-or-member-min-not-described-in-af_alg_wait_for_data | |-- ld.lld:error:version-script-assignment-of-LINUX_2.-to-symbol-__vdso_sgx_enter_enclave-failed:symbol-not-defined | |-- llvm-objcopy:error:arch-x86-entry-vdso-vdso64.so.dbg:No-such-file-or-directory | |-- llvm-objdump:error:arch-x86-entry-vdso-vdso64.so.dbg:No-such-file-or-directory | |-- mm-truncate.c:warning:Function-parameter-or-member-end-not-described-in-invalidate_mapping_pagevec | |-- mm-truncate.c:warning:Function-parameter-or-member-mapping-not-described-in-invalidate_mapping_pagevec | |-- mm-truncate.c:warning:Function-parameter-or-member-nr_pagevec-not-described-in-invalidate_mapping_pagevec | |-- mm-truncate.c:warning:Function-parameter-or-member-start-not-described-in-invalidate_mapping_pagevec | `-- mm-vmscan.o:warning:objtool:shrink_slab-falls-through-to-next-function-drop_slab() |-- x86_64-randconfig-003-20251113 | |-- arch-x86-kvm-x86.c:warning:no-previous-prototype-for-__kvm_vcpu_halt | |-- mm-filemap.c:warning:no-previous-prototype-for-__add_to_page_cache_locked | |-- mm-page_alloc.c:warning:no-previous-prototype-for-arch_memmap_init | |-- mm-page_alloc.c:warning:no-previous-prototype-for-should_fail_alloc_page | |-- mm-truncate.c:warning:Function-parameter-or-member-end-not-described-in-invalidate_mapping_pagevec | |-- mm-truncate.c:warning:Function-parameter-or-member-mapping-not-described-in-invalidate_mapping_pagevec | |-- mm-truncate.c:warning:Function-parameter-or-member-nr_pagevec-not-described-in-invalidate_mapping_pagevec | `-- mm-truncate.c:warning:Function-parameter-or-member-start-not-described-in-invalidate_mapping_pagevec |-- x86_64-randconfig-004-20251113 | |-- arch-x86-events-intel-core.c:warning:variable-name-is-used-uninitialized-whenever-switch-case-is-taken | |-- block-bfq-cgroup.c:warning:Excess-function-parameter-blkcg-description-in-__bfq_bic_change_cgroup | |-- block-bfq-cgroup.c:warning:Function-parameter-or-member-bfqg-not-described-in-__bfq_bic_change_cgroup | |-- crypto-af_alg.c:warning:Function-parameter-or-member-min-not-described-in-af_alg_wait_for_data | |-- ld.lld:error:version-script-assignment-of-LINUX_2.-to-symbol-__vdso_sgx_enter_enclave-failed:symbol-not-defined | |-- llvm-objcopy:error:arch-x86-entry-vdso-vdso64.so.dbg:No-such-file-or-directory | |-- llvm-objdump:error:arch-x86-entry-vdso-vdso64.so.dbg:No-such-file-or-directory | |-- mm-truncate.c:warning:Function-parameter-or-member-end-not-described-in-invalidate_mapping_pagevec | |-- mm-truncate.c:warning:Function-parameter-or-member-mapping-not-described-in-invalidate_mapping_pagevec | |-- mm-truncate.c:warning:Function-parameter-or-member-nr_pagevec-not-described-in-invalidate_mapping_pagevec | |-- mm-truncate.c:warning:Function-parameter-or-member-start-not-described-in-invalidate_mapping_pagevec | `-- mm-vmscan.o:warning:objtool:shrink_slab-falls-through-to-next-function-drop_slab() |-- x86_64-randconfig-005-20251113 | `-- scripts-gcc-plugins-randomize_layout_plugin.c:error:last_stmt-was-not-declared-in-this-scope |-- x86_64-randconfig-006-20251113 | |-- arch-x86-events-intel-core.c:warning:variable-name-is-used-uninitialized-whenever-switch-case-is-taken | |-- crypto-af_alg.c:warning:Function-parameter-or-member-min-not-described-in-af_alg_wait_for_data | |-- ld.lld:error:version-script-assignment-of-LINUX_2.-to-symbol-__vdso_sgx_enter_enclave-failed:symbol-not-defined | |-- llvm-objcopy:error:arch-x86-entry-vdso-vdso64.so.dbg:No-such-file-or-directory | |-- llvm-objdump:error:arch-x86-entry-vdso-vdso64.so.dbg:No-such-file-or-directory | |-- mm-truncate.c:warning:Function-parameter-or-member-end-not-described-in-invalidate_mapping_pagevec | |-- mm-truncate.c:warning:Function-parameter-or-member-mapping-not-described-in-invalidate_mapping_pagevec | |-- mm-truncate.c:warning:Function-parameter-or-member-nr_pagevec-not-described-in-invalidate_mapping_pagevec | |-- mm-truncate.c:warning:Function-parameter-or-member-start-not-described-in-invalidate_mapping_pagevec | `-- mm-vmscan.o:warning:objtool:do_shrink_slab-falls-through-to-next-function-allow_direct_reclaim() |-- x86_64-randconfig-011-20251113 | |-- block-bfq-cgroup.c:warning:Excess-function-parameter-blkcg-description-in-__bfq_bic_change_cgroup | |-- block-bfq-cgroup.c:warning:Function-parameter-or-member-bfqg-not-described-in-__bfq_bic_change_cgroup | |-- block-bfq-cgroup.c:warning:no-previous-prototype-for-bfqg_and_blkg_get | |-- crypto-af_alg.c:warning:Function-parameter-or-member-min-not-described-in-af_alg_wait_for_data | |-- mm-filemap.c:warning:no-previous-prototype-for-__add_to_page_cache_locked | |-- mm-page_alloc.c:warning:no-previous-prototype-for-arch_memmap_init | |-- mm-page_alloc.c:warning:no-previous-prototype-for-should_fail_alloc_page | |-- mm-truncate.c:warning:Function-parameter-or-member-end-not-described-in-invalidate_mapping_pagevec | |-- mm-truncate.c:warning:Function-parameter-or-member-mapping-not-described-in-invalidate_mapping_pagevec | |-- mm-truncate.c:warning:Function-parameter-or-member-nr_pagevec-not-described-in-invalidate_mapping_pagevec | `-- mm-truncate.c:warning:Function-parameter-or-member-start-not-described-in-invalidate_mapping_pagevec |-- x86_64-randconfig-012-20251113 | |-- arch-x86-events-intel-core.c:warning:variable-name-is-used-uninitialized-whenever-switch-case-is-taken | |-- ld.lld:error:version-script-assignment-of-LINUX_2.-to-symbol-__vdso_sgx_enter_enclave-failed:symbol-not-defined | |-- llvm-objcopy:error:arch-x86-entry-vdso-vdso64.so.dbg:No-such-file-or-directory | |-- llvm-objdump:error:arch-x86-entry-vdso-vdso64.so.dbg:No-such-file-or-directory | |-- mm-truncate.c:warning:Function-parameter-or-member-end-not-described-in-invalidate_mapping_pagevec | |-- mm-truncate.c:warning:Function-parameter-or-member-mapping-not-described-in-invalidate_mapping_pagevec | |-- mm-truncate.c:warning:Function-parameter-or-member-nr_pagevec-not-described-in-invalidate_mapping_pagevec | |-- mm-truncate.c:warning:Function-parameter-or-member-start-not-described-in-invalidate_mapping_pagevec | `-- mm-vmscan.o:warning:objtool:shrink_slab-falls-through-to-next-function-drop_slab() |-- x86_64-randconfig-013-20251113 | |-- arch-x86-events-intel-core.c:warning:variable-name-is-used-uninitialized-whenever-switch-case-is-taken | |-- block-bfq-cgroup.c:warning:Excess-function-parameter-blkcg-description-in-__bfq_bic_change_cgroup | |-- block-bfq-cgroup.c:warning:Function-parameter-or-member-bfqg-not-described-in-__bfq_bic_change_cgroup | |-- crypto-af_alg.c:warning:Function-parameter-or-member-min-not-described-in-af_alg_wait_for_data | |-- ld.lld:error:version-script-assignment-of-LINUX_2.-to-symbol-__vdso_sgx_enter_enclave-failed:symbol-not-defined | |-- llvm-objcopy:error:arch-x86-entry-vdso-vdso64.so.dbg:No-such-file-or-directory | |-- llvm-objdump:error:arch-x86-entry-vdso-vdso64.so.dbg:No-such-file-or-directory | |-- mm-truncate.c:warning:Function-parameter-or-member-end-not-described-in-invalidate_mapping_pagevec | |-- mm-truncate.c:warning:Function-parameter-or-member-mapping-not-described-in-invalidate_mapping_pagevec | |-- mm-truncate.c:warning:Function-parameter-or-member-nr_pagevec-not-described-in-invalidate_mapping_pagevec | |-- mm-truncate.c:warning:Function-parameter-or-member-start-not-described-in-invalidate_mapping_pagevec | `-- mm-vmscan.o:warning:objtool:do_shrink_slab-falls-through-to-next-function-allow_direct_reclaim() |-- x86_64-randconfig-014-20251113 | |-- mm-filemap.c:warning:no-previous-prototype-for-__add_to_page_cache_locked | |-- mm-page_alloc.c:warning:no-previous-prototype-for-arch_memmap_init | |-- mm-page_alloc.c:warning:no-previous-prototype-for-should_fail_alloc_page | |-- mm-truncate.c:warning:Function-parameter-or-member-end-not-described-in-invalidate_mapping_pagevec | |-- mm-truncate.c:warning:Function-parameter-or-member-mapping-not-described-in-invalidate_mapping_pagevec | |-- mm-truncate.c:warning:Function-parameter-or-member-nr_pagevec-not-described-in-invalidate_mapping_pagevec | `-- mm-truncate.c:warning:Function-parameter-or-member-start-not-described-in-invalidate_mapping_pagevec |-- x86_64-randconfig-015-20251113 | |-- crypto-af_alg.c:warning:Function-parameter-or-member-min-not-described-in-af_alg_wait_for_data | |-- mm-filemap.c:warning:no-previous-prototype-for-__add_to_page_cache_locked | |-- mm-page_alloc.c:warning:no-previous-prototype-for-arch_memmap_init | |-- mm-page_alloc.c:warning:no-previous-prototype-for-should_fail_alloc_page | |-- mm-truncate.c:warning:Function-parameter-or-member-end-not-described-in-invalidate_mapping_pagevec | |-- mm-truncate.c:warning:Function-parameter-or-member-mapping-not-described-in-invalidate_mapping_pagevec | |-- mm-truncate.c:warning:Function-parameter-or-member-nr_pagevec-not-described-in-invalidate_mapping_pagevec | `-- mm-truncate.c:warning:Function-parameter-or-member-start-not-described-in-invalidate_mapping_pagevec |-- x86_64-randconfig-016-20251113 | |-- arch-x86-kvm-x86.c:warning:no-previous-prototype-for-__kvm_vcpu_halt | |-- block-bfq-cgroup.c:warning:Excess-function-parameter-blkcg-description-in-__bfq_bic_change_cgroup | |-- block-bfq-cgroup.c:warning:Function-parameter-or-member-bfqg-not-described-in-__bfq_bic_change_cgroup | |-- block-bfq-cgroup.c:warning:no-previous-prototype-for-bfqg_and_blkg_get | |-- crypto-af_alg.c:warning:Function-parameter-or-member-min-not-described-in-af_alg_wait_for_data | |-- mm-filemap.c:warning:no-previous-prototype-for-__add_to_page_cache_locked | |-- mm-page_alloc.c:warning:no-previous-prototype-for-arch_memmap_init | |-- mm-page_alloc.c:warning:no-previous-prototype-for-should_fail_alloc_page | |-- mm-truncate.c:warning:Function-parameter-or-member-end-not-described-in-invalidate_mapping_pagevec | |-- mm-truncate.c:warning:Function-parameter-or-member-mapping-not-described-in-invalidate_mapping_pagevec | |-- mm-truncate.c:warning:Function-parameter-or-member-nr_pagevec-not-described-in-invalidate_mapping_pagevec | `-- mm-truncate.c:warning:Function-parameter-or-member-start-not-described-in-invalidate_mapping_pagevec |-- x86_64-randconfig-071-20251113 | `-- scripts-gcc-plugins-randomize_layout_plugin.c:error:last_stmt-was-not-declared-in-this-scope |-- x86_64-randconfig-072-20251113 | |-- mm-filemap.c:warning:no-previous-prototype-for-__add_to_page_cache_locked | |-- mm-page_alloc.c:warning:no-previous-prototype-for-arch_memmap_init | |-- mm-page_alloc.c:warning:no-previous-prototype-for-should_fail_alloc_page | |-- mm-truncate.c:warning:Function-parameter-or-member-end-not-described-in-invalidate_mapping_pagevec | |-- mm-truncate.c:warning:Function-parameter-or-member-mapping-not-described-in-invalidate_mapping_pagevec | |-- mm-truncate.c:warning:Function-parameter-or-member-nr_pagevec-not-described-in-invalidate_mapping_pagevec | `-- mm-truncate.c:warning:Function-parameter-or-member-start-not-described-in-invalidate_mapping_pagevec |-- x86_64-randconfig-073-20251113 | |-- crypto-af_alg.c:warning:Function-parameter-or-member-min-not-described-in-af_alg_wait_for_data | |-- mm-filemap.c:warning:no-previous-prototype-for-__add_to_page_cache_locked | |-- mm-page_alloc.c:warning:no-previous-prototype-for-arch_memmap_init | |-- mm-page_alloc.c:warning:no-previous-prototype-for-should_fail_alloc_page | |-- mm-truncate.c:warning:Function-parameter-or-member-end-not-described-in-invalidate_mapping_pagevec | |-- mm-truncate.c:warning:Function-parameter-or-member-mapping-not-described-in-invalidate_mapping_pagevec | |-- mm-truncate.c:warning:Function-parameter-or-member-nr_pagevec-not-described-in-invalidate_mapping_pagevec | `-- mm-truncate.c:warning:Function-parameter-or-member-start-not-described-in-invalidate_mapping_pagevec |-- x86_64-randconfig-074-20251113 | |-- block-bfq-cgroup.c:warning:Excess-function-parameter-blkcg-description-in-__bfq_bic_change_cgroup | |-- block-bfq-cgroup.c:warning:Function-parameter-or-member-bfqg-not-described-in-__bfq_bic_change_cgroup | |-- block-bfq-cgroup.c:warning:no-previous-prototype-for-bfqg_and_blkg_get | |-- mm-compaction.c:warning:HPAGE_FRAG_CHECK_INTERVAL_MSEC-defined-but-not-used | |-- mm-filemap.c:warning:no-previous-prototype-for-__add_to_page_cache_locked | |-- mm-page_alloc.c:warning:no-previous-prototype-for-arch_memmap_init | |-- mm-page_alloc.c:warning:no-previous-prototype-for-should_fail_alloc_page | |-- mm-truncate.c:warning:Function-parameter-or-member-end-not-described-in-invalidate_mapping_pagevec | |-- mm-truncate.c:warning:Function-parameter-or-member-mapping-not-described-in-invalidate_mapping_pagevec | |-- mm-truncate.c:warning:Function-parameter-or-member-nr_pagevec-not-described-in-invalidate_mapping_pagevec | `-- mm-truncate.c:warning:Function-parameter-or-member-start-not-described-in-invalidate_mapping_pagevec |-- x86_64-randconfig-075-20251113 | `-- scripts-gcc-plugins-randomize_layout_plugin.c:error:last_stmt-was-not-declared-in-this-scope |-- x86_64-randconfig-076-20251113 | |-- block-bfq-cgroup.c:warning:Excess-function-parameter-blkcg-description-in-__bfq_bic_change_cgroup | |-- block-bfq-cgroup.c:warning:Function-parameter-or-member-bfqg-not-described-in-__bfq_bic_change_cgroup | |-- block-bfq-cgroup.c:warning:no-previous-prototype-for-bfqg_and_blkg_get | |-- crypto-af_alg.c:warning:Function-parameter-or-member-min-not-described-in-af_alg_wait_for_data | |-- mm-filemap.c:warning:no-previous-prototype-for-__add_to_page_cache_locked | |-- mm-page_alloc.c:warning:no-previous-prototype-for-arch_memmap_init | |-- mm-page_alloc.c:warning:no-previous-prototype-for-should_fail_alloc_page | |-- mm-truncate.c:warning:Function-parameter-or-member-end-not-described-in-invalidate_mapping_pagevec | |-- mm-truncate.c:warning:Function-parameter-or-member-mapping-not-described-in-invalidate_mapping_pagevec | |-- mm-truncate.c:warning:Function-parameter-or-member-nr_pagevec-not-described-in-invalidate_mapping_pagevec | `-- mm-truncate.c:warning:Function-parameter-or-member-start-not-described-in-invalidate_mapping_pagevec |-- x86_64-randconfig-101-20251113 | |-- crypto-af_alg.c:warning:Function-parameter-or-member-min-not-described-in-af_alg_wait_for_data | |-- mm-compaction.c:warning:HPAGE_FRAG_CHECK_INTERVAL_MSEC-defined-but-not-used | |-- mm-filemap.c:warning:no-previous-prototype-for-__add_to_page_cache_locked | |-- mm-page_alloc.c:warning:no-previous-prototype-for-arch_memmap_init | |-- mm-page_alloc.c:warning:no-previous-prototype-for-should_fail_alloc_page | |-- mm-truncate.c:warning:Function-parameter-or-member-end-not-described-in-invalidate_mapping_pagevec | |-- mm-truncate.c:warning:Function-parameter-or-member-mapping-not-described-in-invalidate_mapping_pagevec | |-- mm-truncate.c:warning:Function-parameter-or-member-nr_pagevec-not-described-in-invalidate_mapping_pagevec | `-- mm-truncate.c:warning:Function-parameter-or-member-start-not-described-in-invalidate_mapping_pagevec |-- x86_64-randconfig-102-20251113 | |-- arch-x86-kvm-x86.c:warning:no-previous-prototype-for-__kvm_vcpu_halt | |-- block-bfq-cgroup.c:warning:Excess-function-parameter-blkcg-description-in-__bfq_bic_change_cgroup | |-- block-bfq-cgroup.c:warning:Function-parameter-or-member-bfqg-not-described-in-__bfq_bic_change_cgroup | |-- block-bfq-cgroup.c:warning:no-previous-prototype-for-bfqg_and_blkg_get | |-- mm-filemap.c:warning:no-previous-prototype-for-__add_to_page_cache_locked | |-- mm-page_alloc.c:warning:no-previous-prototype-for-arch_memmap_init | |-- mm-page_alloc.c:warning:no-previous-prototype-for-should_fail_alloc_page | |-- mm-truncate.c:warning:Function-parameter-or-member-end-not-described-in-invalidate_mapping_pagevec | |-- mm-truncate.c:warning:Function-parameter-or-member-mapping-not-described-in-invalidate_mapping_pagevec | |-- mm-truncate.c:warning:Function-parameter-or-member-nr_pagevec-not-described-in-invalidate_mapping_pagevec | `-- mm-truncate.c:warning:Function-parameter-or-member-start-not-described-in-invalidate_mapping_pagevec |-- x86_64-randconfig-103-20251113 | |-- arch-x86-events-intel-core.c:warning:variable-name-is-used-uninitialized-whenever-switch-case-is-taken | |-- ld.lld:error:version-script-assignment-of-LINUX_2.-to-symbol-__vdso_sgx_enter_enclave-failed:symbol-not-defined | |-- llvm-objcopy:error:arch-x86-entry-vdso-vdso64.so.dbg:No-such-file-or-directory | |-- llvm-objdump:error:arch-x86-entry-vdso-vdso64.so.dbg:No-such-file-or-directory | |-- mm-truncate.c:warning:Function-parameter-or-member-end-not-described-in-invalidate_mapping_pagevec | |-- mm-truncate.c:warning:Function-parameter-or-member-mapping-not-described-in-invalidate_mapping_pagevec | |-- mm-truncate.c:warning:Function-parameter-or-member-nr_pagevec-not-described-in-invalidate_mapping_pagevec | |-- mm-truncate.c:warning:Function-parameter-or-member-start-not-described-in-invalidate_mapping_pagevec | `-- mm-vmscan.o:warning:objtool:shrink_slab-falls-through-to-next-function-drop_slab() |-- x86_64-randconfig-104-20251113 | |-- arch-x86-events-intel-core.c:warning:variable-name-is-used-uninitialized-whenever-switch-case-is-taken | |-- crypto-af_alg.c:warning:Function-parameter-or-member-min-not-described-in-af_alg_wait_for_data | |-- ld.lld:error:version-script-assignment-of-LINUX_2.-to-symbol-__vdso_sgx_enter_enclave-failed:symbol-not-defined | |-- llvm-objcopy:error:arch-x86-entry-vdso-vdso64.so.dbg:No-such-file-or-directory | |-- llvm-objdump:error:arch-x86-entry-vdso-vdso64.so.dbg:No-such-file-or-directory | |-- mm-truncate.c:warning:Function-parameter-or-member-end-not-described-in-invalidate_mapping_pagevec | |-- mm-truncate.c:warning:Function-parameter-or-member-mapping-not-described-in-invalidate_mapping_pagevec | |-- mm-truncate.c:warning:Function-parameter-or-member-nr_pagevec-not-described-in-invalidate_mapping_pagevec | |-- mm-truncate.c:warning:Function-parameter-or-member-start-not-described-in-invalidate_mapping_pagevec | `-- mm-vmscan.o:warning:objtool:shrink_slab-falls-through-to-next-function-drop_slab() |-- x86_64-randconfig-121-20250909 | `-- scripts-gcc-plugins-randomize_layout_plugin.c:error:last_stmt-was-not-declared-in-this-scope |-- x86_64-randconfig-161-20251113 | `-- scripts-gcc-plugins-randomize_layout_plugin.c:error:last_stmt-was-not-declared-in-this-scope `-- x86_64-randconfig-r111-20251113 |-- crypto-af_alg.c:warning:Function-parameter-or-member-min-not-described-in-af_alg_wait_for_data |-- mm-filemap.c:warning:no-previous-prototype-for-__add_to_page_cache_locked |-- mm-page_alloc.c:warning:no-previous-prototype-for-arch_memmap_init |-- mm-page_alloc.c:warning:no-previous-prototype-for-should_fail_alloc_page |-- mm-truncate.c:warning:Function-parameter-or-member-end-not-described-in-invalidate_mapping_pagevec |-- mm-truncate.c:warning:Function-parameter-or-member-mapping-not-described-in-invalidate_mapping_pagevec |-- mm-truncate.c:warning:Function-parameter-or-member-nr_pagevec-not-described-in-invalidate_mapping_pagevec `-- mm-truncate.c:warning:Function-parameter-or-member-start-not-described-in-invalidate_mapping_pagevec elapsed time: 1552m configs tested: 32 configs skipped: 103 tested configs: arm64 allnoconfig gcc-15.1.0 arm64 defconfig gcc-15.1.0 arm64 randconfig-001-20251113 clang-16 arm64 randconfig-002-20251113 clang-22 arm64 randconfig-003-20251113 gcc-5.5.0 arm64 randconfig-004-20251113 clang-22 x86_64 allnoconfig clang-20 x86_64 buildonly-randconfig-001-20251113 gcc-14 x86_64 buildonly-randconfig-002-20251113 clang-20 x86_64 buildonly-randconfig-003-20251113 clang-20 x86_64 buildonly-randconfig-004-20251113 gcc-14 x86_64 buildonly-randconfig-005-20251113 gcc-12 x86_64 buildonly-randconfig-006-20251113 gcc-14 x86_64 defconfig gcc-14 x86_64 randconfig-001-20251113 gcc-13 x86_64 randconfig-002-20251113 clang-20 x86_64 randconfig-003-20251113 gcc-14 x86_64 randconfig-004-20251113 clang-20 x86_64 randconfig-005-20251113 gcc-14 x86_64 randconfig-006-20251113 clang-20 x86_64 randconfig-011-20251113 gcc-14 x86_64 randconfig-012-20251113 clang-20 x86_64 randconfig-013-20251113 clang-20 x86_64 randconfig-014-20251113 gcc-14 x86_64 randconfig-015-20251113 gcc-14 x86_64 randconfig-016-20251113 gcc-12 x86_64 randconfig-071-20251113 gcc-14 x86_64 randconfig-072-20251113 gcc-12 x86_64 randconfig-073-20251113 gcc-12 x86_64 randconfig-074-20251113 gcc-14 x86_64 randconfig-075-20251113 gcc-14 x86_64 randconfig-076-20251113 gcc-14 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki

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[PATCH OLK-6.6 0/2] arm64/mpam: Add quirk to shrink MATA PMG range
by Zeng Heng 13 Nov '25

13 Nov '25

Zeng Heng (2): arm64/mpam: Add quirk to shrink MATA PMG range arm64/mpam: Merge redundant local static variables 'cpus' drivers/platform/mpam/mpam_devices.c | 59 +++++++++++++++------------ drivers/platform/mpam/mpam_internal.h | 1 + drivers/platform/mpam/mpam_resctrl.c | 20 --------- 3 files changed, 34 insertions(+), 46 deletions(-) -- 2.25.1

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[openeuler:OLK-6.6 3182/3182] include/linux/migrate.h:102:2: error: expected identifier or '('
by kernel test robot 13 Nov '25

13 Nov '25

tree: https://gitee.com/openeuler/kernel.git OLK-6.6 head: 7c9750f803899fe67a8d281d2d283e8d75d08d4d commit: 2a212a2a044ed85140cdf66e516f6bde7da08e9d [3182/3182] mm: migrate: add isolate_and_migrate_folios() config: loongarch-allnoconfig (https://download.01.org/0day-ci/archive/20251113/202511131826.yzKdVxQW-lkp@…) compiler: clang version 22.0.0git (https://github.com/llvm/llvm-project 0bba1e76581bad04e7d7f09f5115ae5e2989e0d9) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20251113/202511131826.yzKdVxQW-lkp@…) If you fix the issue in a separate patch/commit (i.e. not just a new version of the same patch/commit), kindly add following tags | Reported-by: kernel test robot <lkp(a)intel.com> | Closes: https://lore.kernel.org/oe-kbuild-all/202511131826.yzKdVxQW-lkp@intel.com/ All errors (new ones prefixed by >>): In file included from mm/filemap.c:45: >> include/linux/migrate.h:102:2: error: expected identifier or '(' 102 | { return -EINVAL; } | ^ 1 error generated. -- In file included from mm/shmem.c:72: >> include/linux/migrate.h:102:2: error: expected identifier or '(' 102 | { return -EINVAL; } | ^ mm/shmem.c:1699:50: error: too many arguments to function call, expected 3, have 4 1699 | folio = swap_cluster_readahead(swap, gfp, mpol, ilx); | ~~~~~~~~~~~~~~~~~~~~~~ ^~~ mm/swap.h:101:29: note: 'swap_cluster_readahead' declared here 101 | static inline struct folio *swap_cluster_readahead(swp_entry_t entry, | ^ ~~~~~~~~~~~~~~~~~~ 102 | gfp_t gfp_mask, struct vm_fault *vmf) | ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 2 errors generated. -- In file included from mm/memory.c:68: >> include/linux/migrate.h:102:2: error: expected identifier or '(' 102 | { return -EINVAL; } | ^ In file included from mm/memory.c:89: In file included from arch/loongarch/include/asm/tlb.h:140: include/asm-generic/tlb.h:632:10: warning: parameter 'ptep' set but not used [-Wunused-but-set-parameter] 632 | pte_t *ptep, unsigned int nr, unsigned long address) | ^ In file included from mm/memory.c:89: arch/loongarch/include/asm/tlb.h:144:24: warning: default initialization of an object of type 'struct vm_area_struct' with const member leaves the object uninitialized [-Wdefault-const-init-field-unsafe] 144 | struct vm_area_struct vma; | ^ include/linux/mm_types.h:659:20: note: member 'vm_flags' declared 'const' here 659 | const vm_flags_t vm_flags; | ^ mm/memory.c:5538:17: warning: variable 'nr_pages' set but not used [-Wunused-but-set-variable] 5538 | int flags = 0, nr_pages; | ^ 3 warnings and 1 error generated. -- In file included from mm/mprotect.c:25: >> include/linux/migrate.h:102:2: error: expected identifier or '(' 102 | { return -EINVAL; } | ^ In file included from mm/mprotect.c:38: In file included from arch/loongarch/include/asm/tlb.h:140: include/asm-generic/tlb.h:632:10: warning: parameter 'ptep' set but not used [-Wunused-but-set-parameter] 632 | pte_t *ptep, unsigned int nr, unsigned long address) | ^ In file included from mm/mprotect.c:38: arch/loongarch/include/asm/tlb.h:144:24: warning: default initialization of an object of type 'struct vm_area_struct' with const member leaves the object uninitialized [-Wdefault-const-init-field-unsafe] 144 | struct vm_area_struct vma; | ^ include/linux/mm_types.h:659:20: note: member 'vm_flags' declared 'const' here 659 | const vm_flags_t vm_flags; | ^ 2 warnings and 1 error generated. vim +102 include/linux/migrate.h 89 90 static inline void putback_movable_pages(struct list_head *l) {} 91 static inline int migrate_pages(struct list_head *l, new_folio_t new, 92 free_folio_t free, unsigned long private, 93 enum migrate_mode mode, int reason, unsigned int *ret_succeeded) 94 { return -ENOSYS; } 95 static inline struct folio *alloc_migration_target(struct folio *src, 96 unsigned long private) 97 { return NULL; } 98 static inline int isolate_and_migrate_folios(struct folio **folios, unsigned int nr_folios, 99 new_folio_t get_new_folio, free_folio_t put_new_folio, 100 unsigned long private, enum migrate_mode mode, 101 unsigned int *nr_succeeded); > 102 { return -EINVAL; } 103 static inline bool isolate_movable_page(struct page *page, isolate_mode_t mode) 104 { return false; } 105 static inline bool isolate_folio_to_list(struct folio *folio, struct list_head *list) 106 { return false; } 107 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki

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[PATCH OLK-6.6 0/3] wakeup kswapd during node_reclaim
by Wupeng Ma 13 Nov '25

13 Nov '25

wakeup kswapd during node_reclaim and add new bits for zone recalim to enable this kind of swap. Wupeng Ma (3): arch_numa: Make node reclaim distance adjustment always available mm: vmscan: wakeup kswapd during node_reclaim mm: node_reclaim: add wakeup kswapd mode Documentation/admin-guide/sysctl/vm.rst | 1 + drivers/base/arch_numa.c | 40 ++++++++++++------------- include/linux/swap.h | 3 +- include/uapi/linux/mempolicy.h | 1 + mm/internal.h | 5 ++-- mm/page_alloc.c | 3 +- mm/vmscan.c | 7 ++++- 7 files changed, 35 insertions(+), 25 deletions(-) -- 2.43.0

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[PATCH OLK-5.10] erofs: Fix erofs_bmap error
by Zizhi Wo 13 Nov '25

13 Nov '25

hulk inclusion category: bugfix bugzilla: https://gitee.com/openeuler/kernel/issues/ID6FYU -------------------------------- Currently, there is an issue with the bmap of erofs. When formatted as the chunk type, the bmap returns not the block granularity but the chunk granularity, which is inaccurate. Unify it with the bmap of other file systems, return the block granularity. Calculate the offset within the chunk to solve this problem. Fixes: 9da681e017a3 ("staging: erofs: support bmap") Signed-off-by: Zizhi Wo <wozizhi(a)huawei.com> --- fs/erofs/data.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/fs/erofs/data.c b/fs/erofs/data.c index e228a2d52aaf..99c5da8e6338 100644 --- a/fs/erofs/data.c +++ b/fs/erofs/data.c @@ -458,6 +458,7 @@ static sector_t erofs_bmap(struct address_space *mapping, sector_t block) struct erofs_map_blocks map = { .m_la = blknr_to_addr(block), }; + erofs_off_t offset = map.m_la; if (EROFS_I(inode)->datalayout == EROFS_INODE_FLAT_INLINE) { erofs_blk_t blks = i_size_read(inode) >> LOG_BLOCK_SIZE; @@ -467,7 +468,7 @@ static sector_t erofs_bmap(struct address_space *mapping, sector_t block) } if (!erofs_map_blocks(inode, &map)) - return erofs_blknr(map.m_pa); + return erofs_blknr(map.m_pa + offset - map.m_la); return 0; } -- 2.39.2

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[PATCH OLK-6.6 00/15] mm: add huge pfnmap support for remap_pfn_range()
by Yin Tirui 13 Nov '25

13 Nov '25

Overview ======== This patch series adds huge page support for remap_pfn_range(), automatically creating huge mappings when prerequisites are satisfied (size, alignment, architecture support, etc.) and falling back to normal page mappings otherwise. This work builds on Peter Xu's previous efforts on huge pfnmap support [0]. TODO ==== - Add PUD-level huge page support. Currently, only PMD-level huge pages are supported. - Consider the logic related to vmap_page_range and extract reusable common code. Tests Done ========== - Cross-build tests. - Performance tests with custom device driver implementing mmap() with remap_pfn_range(): - lat_mem_rd benchmark modified to use mmap(device_fd) instead of malloc() shows around 40% improvement in memory access latency with huge page support compared to normal page mappings. numactl -C 0 lat_mem_rd -t 4096M (stride=64) Memory Size (MB) Without Huge Mapping With Huge Mapping Improvement ---------------- ----------------- -------------- ----------- 64.00 148.858 ns 100.780 ns 32.3% 128.00 164.745 ns 103.537 ns 37.2% 256.00 169.907 ns 103.179 ns 39.3% 512.00 171.285 ns 103.072 ns 39.8% 1024.00 173.054 ns 103.055 ns 40.4% 2048.00 172.820 ns 103.091 ns 40.3% 4096.00 172.877 ns 103.115 ns 40.4% - Custom memory copy operations on mmap(device_fd) show around 18% performance improvement with huge page support compared to normal page mappings. numactl -C 0 memcpy_test (memory copy performance test) Memory Size (MB) Without Huge Mapping With Huge Mapping Improvement ---------------- ----------------- -------------- ----------- 1024.00 95.76 ms 77.91 ms 18.6% 2048.00 190.87 ms 155.64 ms 18.5% 4096.00 380.84 ms 311.45 ms 18.2% [0] https://lore.kernel.org/all/20240826204353.2228736-2-peterx@redhat.com/T/#u David Hildenbrand (1): mm/huge_memory: check pmd_special() only after pmd_present() Peter Xu (11): mm: introduce ARCH_SUPPORTS_HUGE_PFNMAP and special bits to pmd/pud mm: drop is_huge_zero_pud() mm: mark special bits for huge pfn mappings when inject mm: allow THP orders for PFNMAPs mm/gup: detect huge pfnmap entries in gup-fast mm/pagewalk: check pfnmap for folio_walk_start() mm/fork: accept huge pfnmap entries mm: always define pxx_pgprot() mm/x86: support large pfn mappings mm/arm64: support large pfn mappings arm64: mm: Drop dead code for pud special bit handling Yin Tirui (3): pgtable: add pte_clrhuge() implementation for arm64 mm: introduce remap_pfn_range_try_pmd() for PMD-level hugepage mapping arm64/x86: configs: Enable huge pfnmap support in openeuler defconfig arch/arm64/Kconfig | 1 + arch/arm64/configs/openeuler_defconfig | 2 + arch/arm64/include/asm/pgtable.h | 39 ++++++ arch/powerpc/include/asm/book3s/64/pgtable.h | 2 +- arch/powerpc/include/asm/pgtable.h | 1 + arch/s390/include/asm/pgtable.h | 1 + arch/sparc/include/asm/pgtable_64.h | 1 + arch/x86/Kconfig | 1 + arch/x86/configs/openeuler_defconfig | 2 + arch/x86/include/asm/pgtable.h | 81 +++++++----- fs/dax.c | 2 +- include/linux/huge_mm.h | 16 +-- include/linux/mm.h | 26 ++++ include/linux/pgtable.h | 20 ++- mm/Kconfig | 13 ++ mm/gup.c | 6 + mm/huge_memory.c | 93 ++++++++++---- mm/memory.c | 126 +++++++++++++++---- 18 files changed, 337 insertions(+), 96 deletions(-) -- 2.43.0

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