diff options
| author | Kirill A. Shutemov <kirill.shutemov@linux.intel.com> | 2012-12-12 13:50:59 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2012-12-12 17:38:31 -0800 |
| commit | e180377f1ae48b3cbc559c9875d9b038f7f000c6 (patch) | |
| tree | c51e0db181acc0372479bce5cd68b99abca7d8bb /mm/memory.c | |
| parent | cad7f613c4d010e1d0f05c9a4fb33c7ae40ba115 (diff) | |
| download | lwn-e180377f1ae48b3cbc559c9875d9b038f7f000c6.tar.gz lwn-e180377f1ae48b3cbc559c9875d9b038f7f000c6.zip | |
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.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/mm/memory.c b/mm/memory.c index 259b34fe1347..f9a4b0cb8623 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); |