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Date: Mon, 26 Apr 2010 22:13:28 -0400
From: Rik van Riel <riel@redhat.com>
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Subject: Re: [PATCH 2/2] mm,migration: Prevent rmap_walk_[anon|ksm] seeing
 the wrong VMA information
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To: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
Cc: Mel Gorman <mel@csn.ul.ie>, Linux-MM <linux-mm@kvack.org>, LKML <linux-kernel@vger.kernel.org>, Minchan Kim <minchan.kim@gmail.com>, Christoph Lameter <cl@linux.com>, Andrea Arcangeli <aarcange@redhat.com>, Andrew Morton <akpm@linux-foundation.org>
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On 04/26/2010 08:31 PM, KAMEZAWA Hiroyuki wrote:

>> If you're part way down the list, surely you'll need to
>> unlock multiple anon_vmas here before going to retry?
>>
> vma->anon_vma->lock is released after vma_address().

Doh, never mind.  Too much code in my mind at once...

Acked-by: Rik van Riel <riel@redhat.com>

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