tree: https://gitee.com/openeuler/kernel.git openEuler-1.0-LTS head: 859de5033e15abefcf19935429e6478be97d889a commit: 33d1f46ad98ea3a13752a6360d97732ab4e119b9 [1740/1740] mm: Introduce memory reliable config: arm64-randconfig-r121-20250729 (https://download.01.org/0day-ci/archive/20250730/202507302110.c40p4uEx-lkp@i...) compiler: aarch64-linux-gcc (GCC) 15.1.0 reproduce: (https://download.01.org/0day-ci/archive/20250730/202507302110.c40p4uEx-lkp@i...) 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@intel.com> | Closes: https://lore.kernel.org/oe-kbuild-all/202507302110.c40p4uEx-lkp@intel.com/ sparse warnings: (new ones prefixed by >>) mm/page_alloc.c:140:1: sparse: sparse: symbol 'pcpu_drain_mutex' was not declared. Should it be static? mm/page_alloc.c: note: in included file (through include/linux/mm.h):
include/linux/mem_reliable.h:41:15: sparse: sparse: restricted gfp_t degrades to integer mm/page_alloc.c:4572:13: sparse: sparse: restricted gfp_t degrades to integer mm/page_alloc.c:4573:27: sparse: sparse: invalid assignment: |= mm/page_alloc.c:4573:27: sparse: left side has type restricted gfp_t mm/page_alloc.c:4573:27: sparse: right side has type unsigned int mm/page_alloc.c: note: in included file (through include/linux/mm.h): include/linux/gfp.h:457:34: sparse: sparse: restricted gfp_t degrades to integer include/linux/gfp.h:324:27: sparse: sparse: restricted gfp_t degrades to integer include/linux/gfp.h:324:27: sparse: sparse: restricted gfp_t degrades to integer include/linux/gfp.h:457:34: sparse: sparse: restricted gfp_t degrades to integer include/linux/gfp.h:457:34: sparse: sparse: restricted gfp_t degrades to integer mm/page_alloc.c: In function 'mem_init_print_info': mm/page_alloc.c:7373:27: warning: comparison between two arrays [-Warray-compare] 7373 | if (start <= pos && pos < end && size > adj) 20- | ^~ mm/page_alloc.c:7377:9: note: in expansion of macro 'adj_init_size' 7377 | adj_init_size(__init_begin, __init_end, init_data_size, | ^~~~~~~~~~~~~ mm/page_alloc.c:7373:27: note: use '&__init_begin[0] <= &_sinittext[0]' to compare the addresses 7373 | if (start <= pos && pos < end && size > adj) 26- | ^~ mm/page_alloc.c:7377:9: note: in expansion of macro 'adj_init_size' 7377 | adj_init_size(__init_begin, __init_end, init_data_size, | ^~~~~~~~~~~~~ mm/page_alloc.c:7373:41: warning: comparison between two arrays [-Warray-compare] 7373 | if (start <= pos && pos < end && size > adj) 32- | ^ mm/page_alloc.c:7377:9: note: in expansion of macro 'adj_init_size' 7377 | adj_init_size(__init_begin, __init_end, init_data_size, | ^~~~~~~~~~~~~ mm/page_alloc.c:7373:41: note: use '&_sinittext[0] < &__init_end[0]' to compare the addresses 7373 | if (start <= pos && pos < end && size > adj) 38- | ^ mm/page_alloc.c:7377:9: note: in expansion of macro 'adj_init_size' 7377 | adj_init_size(__init_begin, __init_end, init_data_size, | ^~~~~~~~~~~~~ mm/page_alloc.c:7373:27: warning: comparison between two arrays [-Warray-compare] 7373 | if (start <= pos && pos < end && size > adj) 44- | ^~ mm/page_alloc.c:7379:9: note: in expansion of macro 'adj_init_size' 7379 | adj_init_size(_stext, _etext, codesize, _sinittext, init_code_size); | ^~~~~~~~~~~~~ mm/page_alloc.c:7373:27: note: use '&_stext[0] <= &_sinittext[0]' to compare the addresses 7373 | if (start <= pos && pos < end && size > adj) 50- | ^~ mm/page_alloc.c:7379:9: note: in expansion of macro 'adj_init_size' 7379 | adj_init_size(_stext, _etext, codesize, _sinittext, init_code_size); | ^~~~~~~~~~~~~ mm/page_alloc.c:7373:41: warning: comparison between two arrays [-Warray-compare] 7373 | if (start <= pos && pos < end && size > adj) 56- | ^ mm/page_alloc.c:7379:9: note: in expansion of macro 'adj_init_size' 7379 | adj_init_size(_stext, _etext, codesize, _sinittext, init_code_size); | ^~~~~~~~~~~~~ mm/page_alloc.c:7373:41: note: use '&_sinittext[0] < &_etext[0]' to compare the addresses 7373 | if (start <= pos && pos < end && size > adj) 62- | ^ mm/page_alloc.c:7379:9: note: in expansion of macro 'adj_init_size' 7379 | adj_init_size(_stext, _etext, codesize, _sinittext, init_code_size); | ^~~~~~~~~~~~~ mm/page_alloc.c:7373:27: warning: comparison between two arrays [-Warray-compare] 7373 | if (start <= pos && pos < end && size > adj) 68- | ^~ mm/page_alloc.c:7380:9: note: in expansion of macro 'adj_init_size' 7380 | adj_init_size(_sdata, _edata, datasize, __init_begin, init_data_size); | ^~~~~~~~~~~~~ mm/page_alloc.c:7373:27: note: use '&_sdata[0] <= &__init_begin[0]' to compare the addresses 7373 | if (start <= pos && pos < end && size > adj) 74- | ^~ mm/page_alloc.c:7380:9: note: in expansion of macro 'adj_init_size' 7380 | adj_init_size(_sdata, _edata, datasize, __init_begin, init_data_size); | ^~~~~~~~~~~~~ mm/page_alloc.c:7373:41: warning: comparison between two arrays [-Warray-compare] 7373 | if (start <= pos && pos < end && size > adj) 80- | ^ mm/page_alloc.c:7380:9: note: in expansion of macro 'adj_init_size' 7380 | adj_init_size(_sdata, _edata, datasize, __init_begin, init_data_size); | ^~~~~~~~~~~~~ mm/page_alloc.c:7373:41: note: use '&__init_begin[0] < &_edata[0]' to compare the addresses 7373 | if (start <= pos && pos < end && size > adj) 86- | ^ mm/page_alloc.c:7380:9: note: in expansion of macro 'adj_init_size' 7380 | adj_init_size(_sdata, _edata, datasize, __init_begin, init_data_size); | ^~~~~~~~~~~~~ mm/page_alloc.c:7373:27: warning: comparison between two arrays [-Warray-compare] 7373 | if (start <= pos && pos < end && size > adj) 92- | ^~ mm/page_alloc.c:7381:9: note: in expansion of macro 'adj_init_size' 7381 | adj_init_size(_stext, _etext, codesize, __start_rodata, rosize); | ^~~~~~~~~~~~~ mm/page_alloc.c:7373:27: note: use '&_stext[0] <= &__start_rodata[0]' to compare the addresses 7373 | if (start <= pos && pos < end && size > adj) 98- | ^~ mm/page_alloc.c:7381:9: note: in expansion of macro 'adj_init_size' 7381 | adj_init_size(_stext, _etext, codesize, __start_rodata, rosize); | ^~~~~~~~~~~~~ mm/page_alloc.c:7373:41: warning: comparison between two arrays [-Warray-compare] 7373 | if (start <= pos && pos < end && size > adj) 104- | ^ mm/page_alloc.c:7381:9: note: in expansion of macro 'adj_init_size' 7381 | adj_init_size(_stext, _etext, codesize, __start_rodata, rosize);
vim +41 include/linux/mem_reliable.h 31 32 static inline bool skip_none_movable_zone(gfp_t gfp, struct zoneref *z) 33 { 34 if (!mem_reliable_is_enabled()) 35 return false; 36 37 if (!current->mm || (current->flags & PF_KTHREAD)) 38 return false; 39 40 /* user tasks can only alloc memory from non-mirrored region */
41 if (!(gfp & ___GFP_RELIABILITY) && (gfp & __GFP_HIGHMEM) && 42 (gfp & __GFP_MOVABLE)) { 43 if (zonelist_zone_idx(z) < ZONE_MOVABLE) 44 return true; 45 } 46 47 return false; 48 } 49 #else 50 #define reliable_enabled 0 51
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