linux-kernel - Re: [PATCH 2/2] mm,migration: Prevent rmap_walk_[anon|ksm] seeing the wrong VMA information

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Message-ID: <4BD64848.9070604@redhat.com>
Date:	Mon, 26 Apr 2010 22:13:28 -0400
From:	Rik van Riel <riel@...hat.com>
To:	KAMEZAWA Hiroyuki <kamezawa.hiroyu@...fujitsu.com>
CC:	Mel Gorman <mel@....ul.ie>, Linux-MM <linux-mm@...ck.org>,
	LKML <linux-kernel@...r.kernel.org>,
	Minchan Kim <minchan.kim@...il.com>,
	Christoph Lameter <cl@...ux.com>,
	Andrea Arcangeli <aarcange@...hat.com>,
	Andrew Morton <akpm@...ux-foundation.org>
Subject: Re: [PATCH 2/2] mm,migration: Prevent rmap_walk_[anon|ksm] seeing
 the wrong VMA information

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@...hat.com>

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