| commit | 05759d380a9d7f131a475186c07fce58ceaa8902 | |
| author | Andrea Arcangeli <aarcange@redhat.com> | |
| Thu, 13 Jan 2011 23:46:53 +0000 (13 15:46 -0800) | ||
| committer | Linus Torvalds <torvalds@linux-foundation.org> | |
| Fri, 14 Jan 2011 01:32:42 +0000 (13 17:32 -0800) | ||
| tree | 6c253f15176c89f6f8dfd80b1471bcf3e0a3e44e | treesnapshot (tar.gz zip) |
| parent | 8a07651ee8cdaa9e27cb4ae372aed347533770f5 | commitdiff |
thp: split_huge_page anon_vma ordering dependency
This documents how split_huge_page is safe vs new vma inserctions into the
anon_vma that may have already released the anon_vma->lock but not
established pmds yet when split_huge_page starts.
Signed-off-by: Andrea Arcangeli <aarcange@redhat.com>
Acked-by: Mel Gorman <mel@csn.ul.ie>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This documents how split_huge_page is safe vs new vma inserctions into the
anon_vma that may have already released the anon_vma->lock but not
established pmds yet when split_huge_page starts.
Signed-off-by: Andrea Arcangeli <aarcange@redhat.com>
Acked-by: Mel Gorman <mel@csn.ul.ie>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
| mm/huge_memory.c | diffblobblamehistory | |
| mm/rmap.c | diffblobblamehistory |