diff options
author | Andrea Arcangeli <aarcange@redhat.com> | 2011-01-14 02:46:59 +0300 |
---|---|---|
committer | Linus Torvalds <torvalds@linux-foundation.org> | 2011-01-14 04:32:43 +0300 |
commit | b15d00b6af617251cc70a908df983e9aff57e169 (patch) | |
tree | 0fd28ef8d3705505d5b84d495875e3837698b540 /mm | |
parent | ba76149f47d8c939efa0acc07a191237af900471 (diff) | |
download | linux-b15d00b6af617251cc70a908df983e9aff57e169.tar.xz |
thp: khugepaged vma merge
register in khugepaged if the vma grows.
Signed-off-by: Andrea Arcangeli <aarcange@redhat.com>
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/mmap.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/mm/mmap.c b/mm/mmap.c index 50a4aa0255a0..753f44d17047 100644 --- a/mm/mmap.c +++ b/mm/mmap.c @@ -29,6 +29,7 @@ #include <linux/mmu_notifier.h> #include <linux/perf_event.h> #include <linux/audit.h> +#include <linux/khugepaged.h> #include <asm/uaccess.h> #include <asm/cacheflush.h> @@ -815,6 +816,7 @@ struct vm_area_struct *vma_merge(struct mm_struct *mm, end, prev->vm_pgoff, NULL); if (err) return NULL; + khugepaged_enter_vma_merge(prev); return prev; } @@ -833,6 +835,7 @@ struct vm_area_struct *vma_merge(struct mm_struct *mm, next->vm_pgoff - pglen, NULL); if (err) return NULL; + khugepaged_enter_vma_merge(area); return area; } @@ -1761,6 +1764,7 @@ int expand_upwards(struct vm_area_struct *vma, unsigned long address) } } vma_unlock_anon_vma(vma); + khugepaged_enter_vma_merge(vma); return error; } #endif /* CONFIG_STACK_GROWSUP || CONFIG_IA64 */ @@ -1808,6 +1812,7 @@ static int expand_downwards(struct vm_area_struct *vma, } } vma_unlock_anon_vma(vma); + khugepaged_enter_vma_merge(vma); return error; } |