aboutsummaryrefslogtreecommitdiff
path: root/mm/memory.c
diff options
context:
space:
mode:
authorKirill A. Shutemov <kirill.shutemov@linux.intel.com>2012-12-12 13:50:59 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2012-12-12 17:38:31 -0800
commite180377f1ae48b3cbc559c9875d9b038f7f000c6 (patch)
treec51e0db181acc0372479bce5cd68b99abca7d8bb /mm/memory.c
parentcad7f613c4d010e1d0f05c9a4fb33c7ae40ba115 (diff)
downloadlinux-e180377f1ae48b3cbc559c9875d9b038f7f000c6.tar.gz
thp: change split_huge_page_pmd() interface
Pass vma instead of mm and add address parameter. In most cases we already have vma on the stack. We provides split_huge_page_pmd_mm() for few cases when we have mm, but not vma. This change is preparation to huge zero pmd splitting implementation. Signed-off-by: Kirill A. Shutemov <kirill.shutemov@linux.intel.com> Cc: Andrea Arcangeli <aarcange@redhat.com> Cc: Andi Kleen <ak@linux.intel.com> Cc: "H. Peter Anvin" <hpa@linux.intel.com> Cc: Mel Gorman <mel@csn.ul.ie> Cc: David Rientjes <rientjes@google.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'mm/memory.c')
-rw-r--r--mm/memory.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/mm/memory.c b/mm/memory.c
index 259b34fe134..f9a4b0cb862 100644
--- a/mm/memory.c
+++ b/mm/memory.c
@@ -1243,7 +1243,7 @@ static inline unsigned long zap_pmd_range(struct mmu_gather *tlb,
BUG();
}
#endif
- split_huge_page_pmd(vma->vm_mm, pmd);
+ split_huge_page_pmd(vma, addr, pmd);
} else if (zap_huge_pmd(tlb, vma, pmd, addr))
goto next;
/* fall through */
@@ -1512,7 +1512,7 @@ struct page *follow_page(struct vm_area_struct *vma, unsigned long address,
}
if (pmd_trans_huge(*pmd)) {
if (flags & FOLL_SPLIT) {
- split_huge_page_pmd(mm, pmd);
+ split_huge_page_pmd(vma, address, pmd);
goto split_fallthrough;
}
spin_lock(&mm->page_table_lock);