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    SubjectRe: [PATCH 2/4] vma_adjust: fix the copying of anon_vma chains
    On Mon, Apr 12, 2010 at 01:23:04PM -0700, Linus Torvalds wrote:
    >
    > From: Linus Torvalds <torvalds@linux-foundation.org>
    > Date: Sat, 10 Apr 2010 15:22:30 -0700
    > Subject: [PATCH 2/4] vma_adjust: fix the copying of anon_vma chains
    >
    > When we move the boundaries between two vma's due to things like
    > mprotect, we need to make sure that the anon_vma of the pages that got
    > moved from one vma to another gets properly copied around. And that was
    > not always the case, in this rather hard-to-follow code sequence.
    >
    > Clarify the code, and fix it so that it copies the anon_vma from the
    > right source.
    >
    > Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

    Acked-by: Johannes Weiner <hannes@cmpxchg.org>



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