tree 6c253f15176c89f6f8dfd80b1471bcf3e0a3e44e
parent 8a07651ee8cdaa9e27cb4ae372aed347533770f5
author Andrea Arcangeli <aarcange@redhat.com> 1294962413 -0800
committer Linus Torvalds <torvalds@linux-foundation.org> 1294968762 -0800

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>