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Date: Thu, 20 May 2010 19:07:37 -0400
From: Rik van Riel <riel@redhat.com>
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To: Andrea Arcangeli <aarcange@redhat.com>
CC: Andrew Morton <akpm@linux-foundation.org>, Mel Gorman <mel@csn.ul.ie>,
       Minchan Kim <minchan.kim@gmail.com>, Linux-MM <linux-mm@kvack.org>,
       KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>,
       LKML <linux-kernel@vger.kernel.org>,
       Linus Torvalds <torvalds@linux-foundation.org>
Subject: Re: [PATCH 6/5] adjust mm_take_all_locks to anon-vma-root locking
References: <20100512133815.0d048a86@annuminas.surriel.com> <20100520224258.GA12100@random.random>
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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@redhat.com>
>
> Track the anon_vma->root->lock.
>
> Signed-off-by: Andrea Arcangeli<aarcange@redhat.com>

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

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