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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/mremap.c
parentcad7f613c4d010e1d0f05c9a4fb33c7ae40ba115 (diff)
downloadlinaro-lsk-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/mremap.c')
-rw-r--r--mm/mremap.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/mm/mremap.c b/mm/mremap.c
index 1b61c2d3307..eabb24da6c9 100644
--- a/mm/mremap.c
+++ b/mm/mremap.c
@@ -182,7 +182,7 @@ unsigned long move_page_tables(struct vm_area_struct *vma,
need_flush = true;
continue;
} else if (!err) {
- split_huge_page_pmd(vma->vm_mm, old_pmd);
+ split_huge_page_pmd(vma, old_addr, old_pmd);
}
VM_BUG_ON(pmd_trans_huge(*old_pmd));
}