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From: Rik van Riel <riel@redhat.com>
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>
Subject: Re: [PATCH v2 1/3] deactivate invalidated pages
Date: Sun, 28 Nov 2010 14:02:05 -0500	[thread overview]
Message-ID: <4CF2A72D.9060307@redhat.com> (raw)
In-Reply-To: <7b50614882592047dfd96f6ca2bb2d0baa8f5367.1290956059.git.minchan.kim@gmail.com>

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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  parent reply	other threads:[~2010-11-28 19:02 UTC|newest]

Thread overview: 21+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2010-11-28 15:02 [PATCH v2 1/3] deactivate invalidated pages Minchan Kim
2010-11-28 15:02 ` [PATCH v2 2/3] move ClearPageReclaim Minchan Kim
2010-11-29  4:25   ` Rik van Riel
2010-11-29  7:29   ` Wu Fengguang
2010-11-29  8:16     ` Minchan Kim
2010-11-29  8:26       ` Wu Fengguang
2010-11-28 15:02 ` [PATCH v2 3/3] Prevent promotion of page in madvise_dontneed Minchan Kim
2010-11-29  4:28   ` Rik van Riel
2010-11-29  4:30     ` Minchan Kim
2010-11-28 15:13 ` [PATCH v2 1/3] deactivate invalidated pages Minchan Kim
2010-11-28 19:02 ` Rik van Riel [this message]
2010-11-29  0:33 ` KOSAKI Motohiro
2010-11-29  1:58   ` Ben Gamari
2010-11-29  2:13     ` KOSAKI Motohiro
2010-11-29  2:26       ` Ben Gamari
2010-11-29  2:13   ` Minchan Kim
2010-11-29  2:35     ` KOSAKI Motohiro
2010-11-29  7:49 ` Wu Fengguang
2010-11-29  8:09   ` Minchan Kim
2010-11-29 12:07 ` Mel Gorman
2010-11-29 15:28   ` Minchan Kim

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