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| author | Kirill A. Shutemov <kirill.shutemov@linux.intel.com> | 2012-12-12 22:50:59 +0100 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2012-12-13 02:38:31 +0100 |
| commit | e180377f1ae48b3cbc559c9875d9b038f7f000c6 (patch) | |
| tree | c51e0db181acc0372479bce5cd68b99abca7d8bb /mm/mprotect.c | |
| parent | thp: change_huge_pmd(): make sure we don't try to make a page writable (diff) | |
| download | linux-e180377f1ae48b3cbc559c9875d9b038f7f000c6.tar.xz linux-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/mprotect.c')
| -rw-r--r-- | mm/mprotect.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/mm/mprotect.c b/mm/mprotect.c index a40992610ab6..e8c3938db6fa 100644 --- a/mm/mprotect.c +++ b/mm/mprotect.c @@ -90,7 +90,7 @@ static inline void change_pmd_range(struct vm_area_struct *vma, pud_t *pud, next = pmd_addr_end(addr, end); if (pmd_trans_huge(*pmd)) { if (next - addr != HPAGE_PMD_SIZE) - split_huge_page_pmd(vma->vm_mm, pmd); + split_huge_page_pmd(vma, addr, pmd); else if (change_huge_pmd(vma, pmd, addr, newprot)) continue; /* fall through */ |