| To: | Mel Gorman <mgorman@xxxxxxx> |
|---|---|
| Subject: | Re: [PATCH 2/7] mm: vmscan: Remove dead code related to lumpy reclaim waiting on pages under writeback |
| From: | Johannes Weiner <jweiner@xxxxxxxxxx> |
| Date: | Wed, 10 Aug 2011 14:41:47 +0200 |
| Cc: | Linux-MM <linux-mm@xxxxxxxxx>, LKML <linux-kernel@xxxxxxxxxxxxxxx>, XFS <xfs@xxxxxxxxxxx>, Dave Chinner <david@xxxxxxxxxxxxx>, Christoph Hellwig <hch@xxxxxxxxxxxxx>, Wu Fengguang <fengguang.wu@xxxxxxxxx>, Jan Kara <jack@xxxxxxx>, Rik van Riel <riel@xxxxxxxxxx>, Minchan Kim <minchan.kim@xxxxxxxxx> |
| In-reply-to: | <1312973240-32576-3-git-send-email-mgorman@xxxxxxx> |
| References: | <1312973240-32576-1-git-send-email-mgorman@xxxxxxx> <1312973240-32576-3-git-send-email-mgorman@xxxxxxx> |
On Wed, Aug 10, 2011 at 11:47:15AM +0100, 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@xxxxxxx> Acked-by: Johannes Weiner <jweiner@xxxxxxxxxx> |
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