linux-kernel - Re: [PATCH 6/5] adjust mm_take_all

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Message-ID: <4BF5C0B9.9080908@redhat.com>
Date:	Thu, 20 May 2010 19:07:37 -0400
From:	Rik van Riel <riel@...hat.com>
To:	Andrea Arcangeli <aarcange@...hat.com>
CC:	Andrew Morton <akpm@...ux-foundation.org>,
	Mel Gorman <mel@....ul.ie>,
	Minchan Kim <minchan.kim@...il.com>,
	Linux-MM <linux-mm@...ck.org>,
	KAMEZAWA Hiroyuki <kamezawa.hiroyu@...fujitsu.com>,
	LKML <linux-kernel@...r.kernel.org>,
	Linus Torvalds <torvalds@...ux-foundation.org>
Subject: Re: [PATCH 6/5] adjust mm_take_all_locks to anon-vma-root locking

On 05/20/2010 06:42 PM, Andrea Arcangeli wrote:
> This is needed as 6/5 to avoid lockups in mm_take_all_locks.
>
> ======
> Subject: adjust mm_take_all_locks to the root_anon_vma locking
>
> From: Andrea Arcangeli<aarcange@...hat.com>
>
> Track the anon_vma->root->lock.
>
> Signed-off-by: Andrea Arcangeli<aarcange@...hat.com>

Reviewed-by: Rik van Riel <riel@...hat.com>

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