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| author | Andrea Arcangeli <aarcange@redhat.com> | 2011-01-13 15:46:46 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2011-01-13 17:32:41 -0800 |
| commit | bae9c19bf12bb2a914a8e530270f41d36cc87c63 (patch) | |
| tree | 19807de9c2cb9b47fa842a549bd8c2c21579e323 /mm | |
| parent | e7a00c45f29c0155007aa150bf231a70fa470365 (diff) | |
| download | op-kernel-dev-bae9c19bf12bb2a914a8e530270f41d36cc87c63.zip op-kernel-dev-bae9c19bf12bb2a914a8e530270f41d36cc87c63.tar.gz | |
thp: split_huge_page_mm/vma
split_huge_page_pmd compat code. Each one of those would need to be
expanded to hundred of lines of complex code without a fully reliable
split_huge_page_pmd design.
Signed-off-by: Andrea Arcangeli <aarcange@redhat.com>
Acked-by: Rik van Riel <riel@redhat.com>
Acked-by: Mel Gorman <mel@csn.ul.ie>
Signed-off-by: Johannes Weiner <hannes@cmpxchg.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'mm')
| -rw-r--r-- | mm/mempolicy.c | 1 | ||||
| -rw-r--r-- | mm/mincore.c | 1 | ||||
| -rw-r--r-- | mm/mprotect.c | 1 | ||||
| -rw-r--r-- | mm/mremap.c | 1 | ||||
| -rw-r--r-- | mm/pagewalk.c | 1 |
5 files changed, 5 insertions, 0 deletions
diff --git a/mm/mempolicy.c b/mm/mempolicy.c index e6d3512..83b7df3 100644 --- a/mm/mempolicy.c +++ b/mm/mempolicy.c @@ -514,6 +514,7 @@ static inline int check_pmd_range(struct vm_area_struct *vma, pud_t *pud, pmd = pmd_offset(pud, addr); do { next = pmd_addr_end(addr, end); + split_huge_page_pmd(vma->vm_mm, pmd); if (pmd_none_or_clear_bad(pmd)) continue; if (check_pte_range(vma, pmd, addr, next, nodes, diff --git a/mm/mincore.c b/mm/mincore.c index 9ac42dc..9959bb4 100644 --- a/mm/mincore.c +++ b/mm/mincore.c @@ -154,6 +154,7 @@ static void mincore_pmd_range(struct vm_area_struct *vma, pud_t *pud, pmd = pmd_offset(pud, addr); do { next = pmd_addr_end(addr, end); + split_huge_page_pmd(vma->vm_mm, pmd); if (pmd_none_or_clear_bad(pmd)) mincore_unmapped_range(vma, addr, next, vec); else diff --git a/mm/mprotect.c b/mm/mprotect.c index 4c51338..bd27db6 100644 --- a/mm/mprotect.c +++ b/mm/mprotect.c @@ -88,6 +88,7 @@ static inline void change_pmd_range(struct mm_struct *mm, pud_t *pud, pmd = pmd_offset(pud, addr); do { next = pmd_addr_end(addr, end); + split_huge_page_pmd(mm, pmd); if (pmd_none_or_clear_bad(pmd)) continue; change_pte_range(mm, pmd, addr, next, newprot, dirty_accountable); diff --git a/mm/mremap.c b/mm/mremap.c index b09eefa..9925b63 100644 --- a/mm/mremap.c +++ b/mm/mremap.c @@ -41,6 +41,7 @@ static pmd_t *get_old_pmd(struct mm_struct *mm, unsigned long addr) return NULL; pmd = pmd_offset(pud, addr); + split_huge_page_pmd(mm, pmd); if (pmd_none_or_clear_bad(pmd)) return NULL; diff --git a/mm/pagewalk.c b/mm/pagewalk.c index 38cc58b..7cfa6ae 100644 --- a/mm/pagewalk.c +++ b/mm/pagewalk.c @@ -34,6 +34,7 @@ static int walk_pmd_range(pud_t *pud, unsigned long addr, unsigned long end, pmd = pmd_offset(pud, addr); do { next = pmd_addr_end(addr, end); + split_huge_page_pmd(walk->mm, pmd); if (pmd_none_or_clear_bad(pmd)) { if (walk->pte_hole) err = walk->pte_hole(addr, next, walk); |
