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Message-ID: <4E4408D9.4050706@redhat.com>
Date: Thu, 11 Aug 2011 12:52:41 -0400
From: Rik van Riel <riel@redhat.com>
MIME-Version: 1.0
Subject: Re: [PATCH 2/7] mm: vmscan: Remove dead code related to lumpy reclaim
	waiting on pages under writeback
References: <1312973240-32576-1-git-send-email-mgorman@suse.de>
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To: Mel Gorman <mgorman@suse.de>
Cc: Jan Kara <jack@suse.cz>, LKML <linux-kernel@vger.kernel.org>, XFS <xfs@oss.sgi.com>, Christoph Hellwig <hch@infradead.org>, Linux-MM <linux-mm@kvack.org>, Minchan Kim <minchan.kim@gmail.com>, Wu Fengguang <fengguang.wu@intel.com>, Johannes Weiner <jweiner@redhat.com>

On 08/10/2011 06:47 AM, Mel Gorman wrote:
> Lumpy reclaim worked with two passes - the first which queued pages for
> IO and the second which waited on writeback. As direct reclaim can no
> longer write pages there is some dead code. This patch removes it but
> direct reclaim will continue to wait on pages under writeback while in
> synchronous reclaim mode.
>
> Signed-off-by: Mel Gorman<mgorman@suse.de>

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

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