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Date: Tue, 13 Apr 2010 13:15:20 +0900
Message-ID: <y2h28c262361004122115k3c6e19b6w593389e98d31b0c@mail.gmail.com>
Subject: Re: [PATCH 2/4] vma_adjust: fix the copying of anon_vma chains
From: Minchan Kim <minchan.kim@gmail.com>
To: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Borislav Petkov <bp@alien8.de>, Rik van Riel <riel@redhat.com>,
       Johannes Weiner <hannes@cmpxchg.org>,
       KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>,
       Andrew Morton <akpm@linux-foundation.org>,
       Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
       Lee Schermerhorn <Lee.Schermerhorn@hp.com>,
       Nick Piggin <npiggin@suse.de>, Andrea Arcangeli <aarcange@redhat.com>,
       Hugh Dickins <hugh.dickins@tiscali.co.uk>, sgunderson@bigfoot.com
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On Tue, Apr 13, 2010 at 5:23 AM, Linus Torvalds
<torvalds@linux-foundation.org> 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>
Reviewed-by: Minchan Kim <minchan.kim@gmail.com>

-- 
Kind regards,
Minchan Kim