tree: https://gitee.com/openeuler/kernel.git OLK-5.10 head: ff5378fff024fcb2552e6da22811cf933fe4a4c0 commit: f30182b3728f06123932e314f3cb413fbe66d681 [2579/2579] mm: sharepool: use built-in-statistics config: arm64-randconfig-004-20241213 (https://download.01.org/0day-ci/archive/20241213/202412131415.6NF7Ybi7-lkp@i...) compiler: aarch64-linux-gcc (GCC) 14.2.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20241213/202412131415.6NF7Ybi7-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/202412131415.6NF7Ybi7-lkp@intel.com/

All warnings (new ones prefixed by >>):

mm/share_pool.c:832:23: warning: no previous prototype for 'find_spg_node_by_spg' [-Wmissing-prototypes] 832 | struct sp_group_node *find_spg_node_by_spg(struct mm_struct *mm, | ^~~~~~~~~~~~~~~~~~~~ mm/share_pool.c: In function 'mg_sp_group_id_by_pid': mm/share_pool.c:1068:29: warning: ordered comparison of pointer with integer zero [-Wextra] 1068 | if (!spg_ids || num <= 0) | ^~ mm/share_pool.c: In function 'sp_compact_nodes': mm/share_pool.c:2103:9: error: implicit declaration of function 'sysctl_compaction_handler' [-Werror=implicit-function-declaration] 2103 | sysctl_compaction_handler(NULL, 1, NULL, NULL, NULL); | ^~~~~~~~~~~~~~~~~~~~~~~~~ mm/share_pool.c: In function 'sp_hugetlb_entry': mm/share_pool.c:3278:21: error: implicit declaration of function 'huge_ptep_get' [-Werror=implicit-function-declaration] 3278 | pte_t pte = huge_ptep_get(ptep); | ^~~~~~~~~~~~~ mm/share_pool.c:3278:21: error: invalid initializer mm/share_pool.c: In function 'sp_unshare_kva': mm/share_pool.c:3673:14: warning: variable 'is_hugepage' set but not used [-Wunused-but-set-variable] 3673 | bool is_hugepage = true; | ^~~~~~~~~~~ mm/share_pool.c: At top level: mm/share_pool.c:4185:6: warning: no previous prototype for 'spa_overview_show' [-Wmissing-prototypes] 4185 | void spa_overview_show(struct seq_file *seq) | ^~~~~~~~~~~~~~~~~ mm/share_pool.c:4273:6: warning: no previous prototype for 'spg_overview_show' [-Wmissing-prototypes] 4273 | void spg_overview_show(struct seq_file *seq) | ^~~~~~~~~~~~~~~~~ mm/share_pool.c: In function 'sharepool_no_page': mm/share_pool.c:4482:30: error: implicit declaration of function 'huge_pte_none'; did you mean 'huge_pte_lock'? [-Werror=implicit-function-declaration] 4482 | if (!huge_pte_none(huge_ptep_get(ptep))) { | ^~~~~~~~~~~~~ | huge_pte_lock mm/share_pool.c:4495:23: error: implicit declaration of function 'huge_add_to_page_cache'; did you mean 'add_to_page_cache'? [-Werror=implicit-function-declaration] 4495 | err = huge_add_to_page_cache(page, mapping, idx); | ^~~~~~~~~~~~~~~~~~~~~~ | add_to_page_cache mm/share_pool.c:4517:9: error: implicit declaration of function 'set_huge_pte_at'; did you mean 'set_huge_swap_pte_at'? [-Werror=implicit-function-declaration] 4517 | set_huge_pte_at(mm, haddr, ptep, new_pte); | ^~~~~~~~~~~~~~~ | set_huge_swap_pte_at mm/share_pool.c:4519:9: error: implicit declaration of function 'hugetlb_count_add'; did you mean 'hugetlb_count_sub'? [-Werror=implicit-function-declaration] 4519 | hugetlb_count_add(pages_per_huge_page(h), mm); | ^~~~~~~~~~~~~~~~~ | hugetlb_count_sub mm/share_pool.c: At top level:

...

mm/share_pool.c:4380:12: warning: 'proc_usage_show' defined but not used [-Wunused-function]

4380 | static int proc_usage_show(struct seq_file *seq, void *offset) | ^~~~~~~~~~~~~~~

...

mm/share_pool.c:4358:12: warning: 'proc_group_usage_show' defined but not used [-Wunused-function]

4358 | static int proc_group_usage_show(struct seq_file *seq, void *offset) | ^~~~~~~~~~~~~~~~~~~~~ mm/share_pool.c:4298:12: warning: 'spa_stat_show' defined but not used [-Wunused-function] 4298 | static int spa_stat_show(struct seq_file *seq, void *offset) | ^~~~~~~~~~~~~ cc1: some warnings being treated as errors

Kconfig warnings: (for reference only) WARNING: unmet direct dependencies detected for PGP_KEY_PARSER Depends on [n]: CRYPTO [=y] && ASYMMETRIC_KEY_TYPE [=y] && ASYMMETRIC_PUBLIC_KEY_SUBTYPE [=n] Selected by [y]: - PGP_PRELOAD [=y] && CRYPTO [=y] && ASYMMETRIC_KEY_TYPE [=y]

vim +/proc_usage_show +4380 mm/share_pool.c

4357

4358 static int proc_group_usage_show(struct seq_file *seq, void *offset)

4359 { 4360 spg_overview_show(seq); 4361 spa_overview_show(seq); 4362 4363 /* print the file header */ 4364 seq_printf(seq, "%-8s %-8s %-9s %-9s %-9s %-10s %-10s %-8s %-7s %-7s %-10s %-4s\n", 4365 "PID", "Group_ID", "SP_ALLOC", "SP_K2U", "SP_RES", "SP_RES_T", 4366 "Non-SP_RES", "VIRT", "RES", "Shm", "Non-SP_Shm", "PROT"); 4367 /* print kthread buff_module_guard_work */ 4368 seq_printf(seq, "%-8s %-8s %-9lld %-9lld\n", 4369 "guard", "-", 4370 byte2kb(atomic64_read(&kthread_stat.alloc_size)), 4371 byte2kb(atomic64_read(&kthread_stat.k2u_size))); 4372 4373 down_read(&sp_group_sem); 4374 idr_for_each(&sp_group_idr, proc_usage_by_group, seq); 4375 up_read(&sp_group_sem); 4376 4377 return 0; 4378 } 4379

4380 static int proc_usage_show(struct seq_file *seq, void *offset)

4381 { 4382 struct sp_group_master *master = NULL; 4383 unsigned long anon, file, shmem, total_rss; 4384 long sp_res, sp_res_nsize, non_sp_res, non_sp_shm; 4385 struct sp_proc_stat *proc_stat; 4386 4387 seq_printf(seq, "%-8s %-16s %-9s %-9s %-9s %-10s %-10s %-8s\n", 4388 "PID", "COMM", "SP_ALLOC", "SP_K2U", "SP_RES", "Non-SP_RES", 4389 "Non-SP_Shm", "VIRT"); 4390 4391 mutex_lock(&master_list_lock); 4392 list_for_each_entry(master, &master_list, list_node) { 4393 proc_stat = &master->instat; 4394 get_mm_rss_info(master->mm, &anon, &file, &shmem, &total_rss); 4395 get_process_sp_res(&master->instat, &sp_res, &sp_res_nsize); 4396 get_process_non_sp_res(total_rss, shmem, sp_res_nsize, 4397 &non_sp_res, &non_sp_shm); 4398 seq_printf(seq, "%-8d %-16s %-9ld %-9ld %-9ld %-10ld %-10ld %-8ld\n", 4399 proc_stat->tgid, proc_stat->comm, 4400 get_proc_alloc(proc_stat), 4401 get_proc_k2u(proc_stat), 4402 sp_res, non_sp_res, non_sp_shm, 4403 page2kb(master->mm->total_vm)); 4404 } 4405 mutex_unlock(&master_list_lock); 4406 4407 return 0; 4408 } 4409