diff options
| author | Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com> | 2016-12-12 16:41:59 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2016-12-12 18:55:07 -0800 |
| commit | 8bea805207500068b70778b707299a9b5920ca72 (patch) | |
| tree | 72256febca29d5b0d0ddd1ae4015756a97ebc98b /mm/hugetlb.c | |
| parent | 3999f52e3198e76607446ab1a4610c1ddc406c56 (diff) | |
| download | lwn-8bea805207500068b70778b707299a9b5920ca72.tar.gz lwn-8bea805207500068b70778b707299a9b5920ca72.zip | |
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 <aneesh.kumar@linux.vnet.ibm.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'mm/hugetlb.c')
| -rw-r--r-- | mm/hugetlb.c | 6 |
1 files 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)); |