[openeuler:OLK-5.10 2600/2600] mm/hugetlb.c:6315:13: sparse: sparse: symbol 'hugetlb_alloc_hugepage_nodemask' was not declared. Should it be static?

[kernel test robot <lkp@intel.com>]

tree:   https://gitee.com/openeuler/kernel.git OLK-5.10
head:   951151c7a27bc2a9436c2c49ae12510c82137ec1
commit: 8deff3a60ce1a9dffb552210f065fc9ed6a55f84 [2600/2600] mm/sharepool: Add mg_sp_alloc_nodemask
config: arm64-randconfig-r133-20241227 (https://download.01.org/0day-ci/archive/20241227/202412271456.Cm4dJ23V-lkp@intel.com/config)
compiler: aarch64-linux-gcc (GCC) 14.2.0
reproduce: (https://download.01.org/0day-ci/archive/20241227/202412271456.Cm4dJ23V-lkp@intel.com/reproduce)

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/202412271456.Cm4dJ23V-lkp@intel.com/

sparse warnings: (new ones prefixed by >>)
>> 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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