From: Ying Han <yinghan@google.com>
To: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.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>,
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>,
Rik van Riel <riel@redhat.com>, 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 V6 00/10] memcg: per cgroup background reclaim
Date: Wed, 20 Apr 2011 21:22:43 -0700 [thread overview]
Message-ID: <BANLkTin7BDchrD_L+UFBwsyn2oAbuU03qA@mail.gmail.com> (raw)
In-Reply-To: <20110421124059.79990661.kamezawa.hiroyu@jp.fujitsu.com>
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On Wed, Apr 20, 2011 at 8:40 PM, KAMEZAWA Hiroyuki <
kamezawa.hiroyu@jp.fujitsu.com> wrote:
> On Mon, 18 Apr 2011 20:57:36 -0700
> Ying Han <yinghan@google.com> wrote:
>
> > 1. there are one kswapd thread per cgroup. the thread is created when the
> > cgroup changes its limit_in_bytes and is deleted when the cgroup is being
> > removed. In some enviroment when thousand of cgroups are being configured
> on
> > a single host, we will have thousand of kswapd threads. The memory
> consumption
> > would be 8k*100 = 8M. We don't see a big issue for now if the host can
> host
> > that many of cgroups.
> >
>
> I don't think no-fix to this is ok.
>
> Here is a thread pool patch on your set. (and includes some more).
> 3 patches in following e-mails.
> Any comments are welocme, but my response may be delayed.
>
> Thank you for making up the patch, and I will take a look. Do I apply the 3
patches on top of my patchset or they comes separately?
--Ying
Thanks,
> -Kame
>
>
>
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next prev parent reply other threads:[~2011-04-21 4:22 UTC|newest]
Thread overview: 58+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-04-19 3:57 [PATCH V6 00/10] memcg: per cgroup background reclaim Ying Han
2011-04-19 3:57 ` [PATCH V6 01/10] Add kswapd descriptor Ying Han
2011-04-19 3:57 ` [PATCH V6 02/10] Add per memcg reclaim watermarks Ying Han
2011-04-19 3:57 ` [PATCH V6 03/10] New APIs to adjust per-memcg wmarks Ying Han
2011-04-19 3:57 ` [PATCH V6 04/10] Infrastructure to support per-memcg reclaim Ying Han
2011-04-19 3:57 ` [PATCH V6 05/10] Implement the select_victim_node within memcg Ying Han
2011-04-19 3:57 ` [PATCH V6 06/10] Per-memcg background reclaim Ying Han
2011-04-20 1:03 ` KAMEZAWA Hiroyuki
2011-04-20 3:25 ` Ying Han
2011-04-20 4:20 ` Ying Han
2012-03-19 8:14 ` Zhu Yanhai
2012-03-20 5:37 ` Ying Han
2011-04-19 3:57 ` [PATCH V6 07/10] Add per-memcg zone "unreclaimable" Ying Han
2011-04-19 3:57 ` [PATCH V6 08/10] Enable per-memcg background reclaim Ying Han
2011-04-19 3:57 ` [PATCH V6 09/10] Add API to export per-memcg kswapd pid Ying Han
2011-04-20 1:15 ` KAMEZAWA Hiroyuki
2011-04-20 3:39 ` Ying Han
2011-04-19 3:57 ` [PATCH V6 10/10] Add some per-memcg stats Ying Han
2011-04-21 2:51 ` [PATCH V6 00/10] memcg: per cgroup background reclaim Johannes Weiner
2011-04-21 3:05 ` Ying Han
2011-04-21 3:53 ` Johannes Weiner
2011-04-21 4:00 ` KAMEZAWA Hiroyuki
2011-04-21 4:24 ` Ying Han
2011-04-21 4:46 ` KAMEZAWA Hiroyuki
2011-04-21 5:08 ` Johannes Weiner
2011-04-21 5:28 ` Ying Han
2011-04-23 1:35 ` Johannes Weiner
2011-04-23 2:10 ` Ying Han
2011-04-23 2:34 ` Johannes Weiner
2011-04-23 3:33 ` Ying Han
2011-04-23 3:41 ` Rik van Riel
2011-04-23 3:49 ` Ying Han
2011-04-27 7:36 ` Johannes Weiner
2011-04-27 17:41 ` Ying Han
2011-04-27 21:37 ` Johannes Weiner
2011-04-21 5:41 ` KAMEZAWA Hiroyuki
2011-04-21 6:23 ` Ying Han
2011-04-23 2:02 ` Johannes Weiner
2011-04-21 3:40 ` KAMEZAWA Hiroyuki
2011-04-21 3:48 ` [PATCH 2/3] weight for memcg background reclaim (Was " KAMEZAWA Hiroyuki
2011-04-21 6:11 ` Ying Han
2011-04-21 6:38 ` KAMEZAWA Hiroyuki
2011-04-21 6:59 ` Ying Han
2011-04-21 7:01 ` KAMEZAWA Hiroyuki
2011-04-21 7:12 ` Ying Han
2011-04-21 3:50 ` [PATCH 3/3/] fix mem_cgroup_watemark_ok " KAMEZAWA Hiroyuki
2011-04-21 5:29 ` Ying Han
2011-04-21 4:22 ` Ying Han [this message]
2011-04-21 4:27 ` KAMEZAWA Hiroyuki
2011-04-21 4:31 ` Ying Han
2011-04-21 3:43 ` [PATCH 1/3] memcg kswapd thread pool (Was " KAMEZAWA Hiroyuki
2011-04-21 7:09 ` Ying Han
2011-04-21 7:14 ` KAMEZAWA Hiroyuki
2011-04-21 8:10 ` Minchan Kim
2011-04-21 8:46 ` KAMEZAWA Hiroyuki
2011-04-21 9:05 ` Minchan Kim
2011-04-21 16:56 ` Ying Han
2011-04-22 1:02 ` Minchan Kim
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