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Date: Sun, 28 Nov 2010 14:02:05 -0500
From: Rik van Riel <riel@redhat.com>
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Subject: Re: [PATCH v2 1/3] deactivate invalidated pages
References: <7b50614882592047dfd96f6ca2bb2d0baa8f5367.1290956059.git.minchan.kim@gmail.com>
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To: Minchan Kim <minchan.kim@gmail.com>
Cc: Andrew Morton <akpm@linux-foundation.org>, linux-mm <linux-mm@kvack.org>, LKML <linux-kernel@vger.kernel.org>, Ben Gamari <bgamari.foss@gmail.com>, Peter Zijlstra <peterz@infradead.org>, Wu Fengguang <fengguang.wu@intel.com>, KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>, Johannes Weiner <hannes@cmpxchg.org>, Nick Piggin <npiggin@kernel.dk>, Mel Gorman <mel@csn.ul.ie>
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On 11/28/2010 10:02 AM, Minchan Kim wrote:
> This patch is based on mmotm-11-23.
>
> Recently, there are reported problem about thrashing.
> (http://marc.info/?l=rsync&m=128885034930933&w=2)
> It happens by backup workloads(ex, nightly rsync).
> That's because the workload makes just use-once pages
> and touches pages twice. It promotes the page into
> active list so that it results in working set page eviction.

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

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