| 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: | Rik van Riel <riel@xxxxxxxxxx> |
| Date: | Thu, 11 Aug 2011 12:52:41 -0400 |
| Cc: | Linux-MM <linux-mm@xxxxxxxxx>, LKML <linux-kernel@xxxxxxxxxxxxxxx>, XFS <xfs@xxxxxxxxxxx>, Dave Chinner <david@xxxxxxxxxxxxx>, Christoph Hellwig <hch@xxxxxxxxxxxxx>, Johannes Weiner <jweiner@xxxxxxxxxx>, Wu Fengguang <fengguang.wu@xxxxxxxxx>, Jan Kara <jack@xxxxxxx>, 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> |
| User-agent: | Mozilla/5.0 (X11; U; Linux x86_64; en-US; rv:1.9.2.7) Gecko/20100720 Fedora/3.1.1-1.fc13 Lightning/1.0b2pre Thunderbird/3.1.1 |
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@xxxxxxx> Reviewed-by: Rik van Riel <riel@xxxxxxxxxx> |
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