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Date: Mon, 19 Jul 2010 14:27:08 -0400
From: Rik van Riel <riel@redhat.com>
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Subject: Re: [PATCH 5/8] fs,btrfs: Allow kswapd to writeback pages
References: <1279545090-19169-1-git-send-email-mel@csn.ul.ie> <1279545090-19169-6-git-send-email-mel@csn.ul.ie>
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To: Mel Gorman <mel@csn.ul.ie>
Cc: linux-kernel@vger.kernel.org, linux-fsdevel@vger.kernel.org, linux-mm@kvack.org, Dave Chinner <david@fromorbit.com>, Chris Mason <chris.mason@oracle.com>, Nick Piggin <npiggin@suse.de>, Johannes Weiner <hannes@cmpxchg.org>, Christoph Hellwig <hch@infradead.org>, Wu Fengguang <fengguang.wu@intel.com>, KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>, KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>, Andrew Morton <akpm@linux-foundation.org>, Andrea Arcangeli <aarcange@redhat.com>
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On 07/19/2010 09:11 AM, Mel Gorman wrote:
> As only kswapd and memcg are writing back pages, there should be no
> danger of overflowing the stack. Allow the writing back of dirty pages
> in btrfs from the VM.
>
> Signed-off-by: Mel Gorman<mel@csn.ul.ie>

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

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