Re: [PATCH 4/7] ext4: Warn if direct reclaim tries to writeback pages

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Subject: Re: [PATCH 4/7] ext4: Warn if direct reclaim tries to writeback pages
From: Rik van Riel <riel@xxxxxxxxxx>
Date: Thu, 11 Aug 2011 13:07:16 -0400
Cc: Jan Kara <jack@xxxxxxx>, LKML <linux-kernel@xxxxxxxxxxxxxxx>, XFS <xfs@xxxxxxxxxxx>, Christoph Hellwig <hch@xxxxxxxxxxxxx>, Linux-MM <linux-mm@xxxxxxxxx>, Minchan Kim <minchan.kim@xxxxxxxxx>, Wu Fengguang <fengguang.wu@xxxxxxxxx>, Johannes Weiner <jweiner@xxxxxxxxxx>
In-reply-to: <1312973240-32576-5-git-send-email-mgorman@suse.de>
References: <1312973240-32576-1-git-send-email-mgorman@suse.de> <1312973240-32576-5-git-send-email-mgorman@suse.de>
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:

Direct reclaim should never writeback pages. Warn if an attempt
is made.

Signed-off-by: Mel Gorman<mgorman@xxxxxxx>


Reviewed-by: Rik van Riel <riel@xxxxxxxxxx>

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References:
- [PATCH 0/7] Reduce filesystem writeback from page reclaim v3
  - From: Mel Gorman
- [PATCH 4/7] ext4: Warn if direct reclaim tries to writeback pages
  - From: Mel Gorman

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