tree: https://gitee.com/openeuler/kernel.git OLK-5.10 head: 053a6b6f8e4c86200cdb20bc80c063c3bb119859 commit: 8deff3a60ce1a9dffb552210f065fc9ed6a55f84 [2600/2600] mm/sharepool: Add mg_sp_alloc_nodemask config: arm64-randconfig-r133-20241227 (https://download.01.org/0day-ci/archive/20241228/202412280705.ftg9AAMV-lkp@i...) compiler: aarch64-linux-gcc (GCC) 14.2.0 reproduce: (https://download.01.org/0day-ci/archive/20241228/202412280705.ftg9AAMV-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/202412280705.ftg9AAMV-lkp@intel.com/ sparse warnings: (new ones prefixed by >>)

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mm/hugetlb.c:6315:13: sparse: sparse: symbol 'hugetlb_alloc_hugepage_nodemask' was not declared. Should it be static? mm/hugetlb.c:446:12: sparse: sparse: context imbalance in 'allocate_file_region_entries' - wrong count at exit mm/hugetlb.c:519:13: sparse: sparse: context imbalance in 'region_add' - wrong count at exit mm/hugetlb.c:587:13: sparse: sparse: context imbalance in 'region_chg' - wrong count at exit mm/hugetlb.c: note: in included file (through include/linux/mmzone.h, include/linux/gfp.h, include/linux/mm.h): include/linux/page-flags.h:263:46: sparse: sparse: self-comparison always evaluates to false include/linux/page-flags.h:263:46: sparse: sparse: self-comparison always evaluates to false include/linux/page-flags.h:263:46: sparse: sparse: self-comparison always evaluates to false include/linux/page-flags.h:263:46: sparse: sparse: self-comparison always evaluates to false include/linux/page-flags.h:263:46: sparse: sparse: self-comparison always evaluates to false include/linux/page-flags.h:263:46: sparse: sparse: self-comparison always evaluates to false include/linux/page-flags.h:263:46: sparse: sparse: self-comparison always evaluates to false include/linux/page-flags.h:263:46: sparse: sparse: self-comparison always evaluates to false include/linux/page-flags.h:263:46: sparse: sparse: self-comparison always evaluates to false include/linux/page-flags.h:263:46: sparse: sparse: self-comparison always evaluates to false include/linux/page-flags.h:263:46: sparse: sparse: self-comparison always evaluates to false include/linux/page-flags.h:263:46: sparse: sparse: self-comparison always evaluates to false include/linux/page-flags.h:263:46: sparse: sparse: self-comparison always evaluates to false include/linux/page-flags.h:263:46: sparse: sparse: self-comparison always evaluates to false include/linux/page-flags.h:263:46: sparse: sparse: self-comparison always evaluates to false mm/hugetlb.c: note: in included file: include/linux/mm.h:1232:21: sparse: sparse: context imbalance in 'hugetlb_cow' - unexpected unlock mm/hugetlb.c: note: in included file (through include/linux/mmzone.h, include/linux/gfp.h, include/linux/mm.h): include/linux/page-flags.h:263:46: sparse: sparse: self-comparison always evaluates to false include/linux/page-flags.h:263:46: sparse: sparse: self-comparison always evaluates to false mm/hugetlb.c:5402:25: sparse: sparse: context imbalance in 'follow_hugetlb_page' - different lock contexts for basic block include/linux/page-flags.h:263:46: sparse: sparse: self-comparison always evaluates to false include/linux/page-flags.h:263:46: sparse: sparse: self-comparison always evaluates to false include/linux/page-flags.h:263:46: sparse: sparse: self-comparison always evaluates to false

vim +/hugetlb_alloc_hugepage_nodemask +6315 mm/hugetlb.c 6311 6312 /* 6313 * Allocate hugepage without reserve 6314 */

6315 struct page *hugetlb_alloc_hugepage_nodemask(int nid, int flag, nodemask_t *nodemask) 6316 { 6317 struct hstate *h = &default_hstate; 6318 gfp_t gfp_mask = htlb_alloc_mask(h); 6319 struct page *page = NULL; 6320 6321 if (nid == NUMA_NO_NODE) 6322 nid = numa_mem_id(); 6323 6324 if (nid < 0 || nid >= MAX_NUMNODES) 6325 return NULL; 6326 6327 if (flag & ~HUGETLB_ALLOC_MASK) 6328 return NULL; 6329 6330 if (enable_charge_mighp) 6331 gfp_mask |= __GFP_ACCOUNT; 6332 6333 if (flag & HUGETLB_ALLOC_NORECLAIM) 6334 gfp_mask &= ~__GFP_RECLAIM; 6335 6336 if (flag & HUGETLB_ALLOC_NORMAL) 6337 page = hugetlb_alloc_hugepage_normal(h, gfp_mask, nid); 6338 else if (flag & HUGETLB_ALLOC_BUDDY) 6339 page = alloc_migrate_huge_page(h, gfp_mask, nid, nodemask); 6340 else 6341 page = alloc_huge_page_nodemask(h, nid, nodemask, gfp_mask); 6342 6343 return page; 6344 } 6345

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