From c4812909f5d5a9b7f1c85a2d95be388a066cda52 Mon Sep 17 00:00:00 2001 From: "Kirill A. Shutemov" Date: Wed, 15 Nov 2017 17:35:37 -0800 Subject: mm: introduce wrappers to access mm->nr_ptes Let's add wrappers for ->nr_ptes with the same interface as for nr_pmd and nr_pud. The patch also makes nr_ptes accounting dependent onto CONFIG_MMU. Page table accounting doesn't make sense if you don't have page tables. It's preparation for consolidation of page-table counters in mm_struct. Link: http://lkml.kernel.org/r/20171006100651.44742-1-kirill.shutemov@linux.intel.com Signed-off-by: Kirill A. Shutemov Acked-by: Michal Hocko Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- arch/sparc/mm/hugetlbpage.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'arch/sparc/mm') diff --git a/arch/sparc/mm/hugetlbpage.c b/arch/sparc/mm/hugetlbpage.c index 01f63b4ee2b4..0112d6942288 100644 --- a/arch/sparc/mm/hugetlbpage.c +++ b/arch/sparc/mm/hugetlbpage.c @@ -397,7 +397,7 @@ static void hugetlb_free_pte_range(struct mmu_gather *tlb, pmd_t *pmd, pmd_clear(pmd); pte_free_tlb(tlb, token, addr); - atomic_long_dec(&tlb->mm->nr_ptes); + mm_dec_nr_ptes(tlb->mm); } static void hugetlb_free_pmd_range(struct mmu_gather *tlb, pud_t *pud, -- cgit v1.2.3-59-g8ed1b