From 8bea805207500068b70778b707299a9b5920ca72 Mon Sep 17 00:00:00 2001 From: "Aneesh Kumar K.V" Date: Mon, 12 Dec 2016 16:41:59 -0800 Subject: [PATCH] mm/hugetlb.c: use huge_pte_lock instead of opencoding the lock No functional change by this patch. Link: http://lkml.kernel.org/r/20161018090234.22574-1-aneesh.kumar@linux.vnet.ibm.com Signed-off-by: Aneesh Kumar K.V Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- mm/hugetlb.c | 6 ++---- 1 file changed, 2 insertions(+), 4 deletions(-) diff --git a/mm/hugetlb.c b/mm/hugetlb.c index 23aec01836aa..c12296f62e8d 100644 --- a/mm/hugetlb.c +++ b/mm/hugetlb.c @@ -3713,8 +3713,7 @@ retry: vma_end_reservation(h, vma, address); } - ptl = huge_pte_lockptr(h, mm, ptep); - spin_lock(ptl); + ptl = huge_pte_lock(h, mm, ptep); size = i_size_read(mapping->host) >> huge_page_shift(h); if (idx >= size) goto backout; @@ -4332,8 +4331,7 @@ pte_t *huge_pmd_share(struct mm_struct *mm, unsigned long addr, pud_t *pud) if (!spte) goto out; - ptl = huge_pte_lockptr(hstate_vma(vma), mm, spte); - spin_lock(ptl); + ptl = huge_pte_lock(hstate_vma(vma), mm, spte); if (pud_none(*pud)) { pud_populate(mm, pud, (pmd_t *)((unsigned long)spte & PAGE_MASK)); -- 2.30.2