From: Rik van Riel <riel@redhat.com>
To: Ying Han <yinghan@google.com>
Cc: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>,
Minchan Kim <minchan.kim@gmail.com>,
Daisuke Nishimura <nishimura@mxp.nes.nec.co.jp>,
Balbir Singh <balbir@linux.vnet.ibm.com>,
Tejun Heo <tj@kernel.org>, Pavel Emelyanov <xemul@openvz.org>,
KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>,
Andrew Morton <akpm@linux-foundation.org>,
Li Zefan <lizf@cn.fujitsu.com>, Mel Gorman <mel@csn.ul.ie>,
Christoph Lameter <cl@linux.com>,
Johannes Weiner <hannes@cmpxchg.org>,
Hugh Dickins <hughd@google.com>, Michal Hocko <mhocko@suse.cz>,
Dave Hansen <dave@linux.vnet.ibm.com>,
Zhu Yanhai <zhu.yanhai@gmail.com>,
linux-mm@kvack.org
Subject: Re: [PATCH V2 1/2] Add the soft_limit reclaim in global direct reclaim.
Date: Tue, 03 May 2011 09:25:40 -0400 [thread overview]
Message-ID: <4DC00254.3010603@redhat.com> (raw)
In-Reply-To: <1304355025-1421-2-git-send-email-yinghan@google.com>
On 05/02/2011 12:50 PM, Ying Han wrote:
> We recently added the change in global background reclaim which
> counts the return value of soft_limit reclaim. Now this patch adds
> the similar logic on global direct reclaim.
>
> We should skip scanning global LRU on shrink_zone if soft_limit reclaim
> does enough work. This is the first step where we start with counting
> the nr_scanned and nr_reclaimed from soft_limit reclaim into global
> scan_control.
Would be nice to see that at some point, but simply counting
the amount reclaimed from the over softlimit groups is a good
start.
> no change since v1.
>
> Signed-off-by: Ying Han<yinghan@google.com>
Acked-by: Rik van Riel<riel@redhat.com>
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next prev parent reply other threads:[~2011-05-03 13:26 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-05-02 16:50 [PATCH V2 0/2] memcg:add the soft_limit reclaim in global direct reclaim Ying Han
2011-05-02 16:50 ` [PATCH V2 1/2] Add " Ying Han
2011-05-02 16:52 ` Ying Han
2011-05-03 13:25 ` Rik van Riel [this message]
2011-05-02 16:50 ` [PATCH V2 2/2] Add stats to monitor soft_limit reclaim Ying Han
2011-05-02 16:52 ` Ying Han
2011-05-03 13:54 ` Rik van Riel
2011-05-03 16:59 ` Ying Han
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