From: Rik van Riel <riel@redhat.com>
To: Avi Kivity <avi@redhat.com>
Cc: Wu Fengguang <fengguang.wu@intel.com>,
Andrea Arcangeli <aarcange@redhat.com>,
"Dike, Jeffrey G" <jeffrey.g.dike@intel.com>,
"Yu, Wilfred" <wilfred.yu@intel.com>,
"Kleen, Andi" <andi.kleen@intel.com>,
Hugh Dickins <hugh.dickins@tiscali.co.uk>,
Andrew Morton <akpm@linux-foundation.org>,
Christoph Lameter <cl@linux-foundation.org>,
KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>,
Mel Gorman <mel@csn.ul.ie>, LKML <linux-kernel@vger.kernel.org>,
linux-mm <linux-mm@kvack.org>
Subject: Re: [RFC] respect the referenced bit of KVM guest pages?
Date: Thu, 06 Aug 2009 09:13:15 -0400 [thread overview]
Message-ID: <4A7AD6EB.9090208@redhat.com> (raw)
In-Reply-To: <4A7AC201.4010202@redhat.com>
Avi Kivity wrote:
> On 08/06/2009 01:59 PM, Wu Fengguang wrote:
>> As a refinement, the static variable 'recent_all_referenced' could be
>> moved to struct zone or made a per-cpu variable.
>
> Definitely this should be made part of the zone structure, consider the
> original report where the problem occurs in a 128MB zone (where we can
> expect many pages to have their referenced bit set).
The problem did not occur in a 128MB zone, but in a 128MB cgroup.
Putting it in the zone means that the cgroup, which may have
different behaviour from the rest of the zone, due to excessive
memory pressure inside the cgroup, does not get the right
statistics.
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next prev parent reply other threads:[~2009-08-06 13:13 UTC|newest]
Thread overview: 122+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-08-05 2:40 [RFC] respect the referenced bit of KVM guest pages? Wu Fengguang
2009-08-05 4:15 ` KOSAKI Motohiro
2009-08-05 4:41 ` Wu Fengguang
2009-08-05 7:58 ` Avi Kivity
2009-08-05 8:17 ` Avi Kivity
2009-08-05 14:33 ` Rik van Riel
2009-08-05 15:37 ` Avi Kivity
2009-08-05 14:15 ` Rik van Riel
2009-08-05 15:12 ` Avi Kivity
2009-08-05 15:15 ` Rik van Riel
2009-08-05 15:25 ` Avi Kivity
2009-08-05 16:35 ` Andrea Arcangeli
2009-08-05 16:31 ` Andrea Arcangeli
2009-08-05 17:25 ` Rik van Riel
2009-08-05 15:45 ` Dike, Jeffrey G
2009-08-05 16:05 ` Andrea Arcangeli
2009-08-05 16:12 ` Dike, Jeffrey G
2009-08-05 16:19 ` Andrea Arcangeli
2009-08-05 15:58 ` Andrea Arcangeli
2009-08-05 17:20 ` Rik van Riel
2009-08-05 17:42 ` Rik van Riel
2009-08-06 10:15 ` Andrea Arcangeli
2009-08-06 10:08 ` Andrea Arcangeli
2009-08-06 10:18 ` Avi Kivity
2009-08-06 10:20 ` Andrea Arcangeli
2009-08-06 10:59 ` Wu Fengguang
2009-08-06 11:44 ` Avi Kivity
2009-08-06 13:06 ` Wu Fengguang
2009-08-06 13:16 ` Rik van Riel
2009-08-16 3:28 ` Wu Fengguang
2009-08-16 3:56 ` Rik van Riel
2009-08-16 4:43 ` Balbir Singh
2009-08-16 4:55 ` Wu Fengguang
2009-08-16 5:59 ` Balbir Singh
2009-08-17 19:47 ` Dike, Jeffrey G
2009-08-21 18:24 ` Balbir Singh
2009-08-31 19:43 ` Dike, Jeffrey G
2009-08-31 19:52 ` Rik van Riel
2009-08-31 20:06 ` Dike, Jeffrey G
2009-08-31 20:09 ` Rik van Riel
2009-08-31 20:11 ` Dike, Jeffrey G
2009-08-31 20:42 ` Balbir Singh
2009-08-06 13:46 ` Avi Kivity
2009-08-06 21:09 ` Jeff Dike
2009-08-16 3:18 ` Wu Fengguang
2009-08-16 3:53 ` Rik van Riel
2009-08-16 5:15 ` Wu Fengguang
2009-08-16 11:29 ` Wu Fengguang
2009-08-17 14:33 ` Minchan Kim
2009-08-18 2:34 ` Wu Fengguang
2009-08-18 4:17 ` Minchan Kim
2009-08-18 9:31 ` Wu Fengguang
2009-08-18 9:52 ` Minchan Kim
2009-08-18 10:00 ` Wu Fengguang
2009-08-18 11:00 ` Minchan Kim
2009-08-18 11:11 ` Wu Fengguang
2009-08-18 14:03 ` Minchan Kim
2009-08-18 16:27 ` KOSAKI Motohiro
2009-08-18 15:57 ` KOSAKI Motohiro
2009-08-19 12:01 ` Wu Fengguang
2009-08-19 12:05 ` KOSAKI Motohiro
2009-08-19 12:10 ` Wu Fengguang
2009-08-19 12:25 ` Minchan Kim
2009-08-19 13:19 ` KOSAKI Motohiro
2009-08-19 13:28 ` Minchan Kim
2009-08-21 11:17 ` KOSAKI Motohiro
2009-08-19 13:24 ` Wu Fengguang
2009-08-19 13:38 ` Minchan Kim
2009-08-19 14:00 ` Wu Fengguang
2009-08-06 13:13 ` Rik van Riel [this message]
2009-08-06 13:49 ` Avi Kivity
2009-08-07 3:11 ` KOSAKI Motohiro
2009-08-07 7:54 ` Balbir Singh
2009-08-07 8:24 ` KAMEZAWA Hiroyuki
2009-08-06 13:11 ` Rik van Riel
2009-08-06 13:08 ` Rik van Riel
2009-08-07 3:17 ` KOSAKI Motohiro
2009-08-12 7:48 ` Wu Fengguang
2009-08-12 14:31 ` Rik van Riel
2009-08-13 1:03 ` Wu Fengguang
2009-08-13 15:46 ` Rik van Riel
2009-08-13 16:12 ` Avi Kivity
2009-08-13 16:26 ` Rik van Riel
2009-08-13 19:12 ` Avi Kivity
2009-08-13 21:16 ` Johannes Weiner
2009-08-14 7:16 ` Avi Kivity
2009-08-14 9:10 ` Johannes Weiner
2009-08-14 9:51 ` Wu Fengguang
2009-08-14 13:19 ` Rik van Riel
2009-08-15 5:45 ` Wu Fengguang
2009-08-16 5:09 ` Balbir Singh
2009-08-16 5:41 ` Wu Fengguang
2009-08-16 5:50 ` Wu Fengguang
2009-08-18 15:57 ` KOSAKI Motohiro
2009-08-17 18:04 ` Dike, Jeffrey G
2009-08-18 2:26 ` Wu Fengguang
2009-09-02 19:30 ` Dike, Jeffrey G
2009-09-03 2:04 ` Wu Fengguang
2009-09-04 20:06 ` Dike, Jeffrey G
2009-09-04 20:57 ` Rik van Riel
2009-08-18 15:57 ` KOSAKI Motohiro
2009-08-19 12:08 ` Wu Fengguang
2009-08-19 13:40 ` [RFC] memcg: move definitions to .h and inline some functions Wu Fengguang
2009-08-19 14:18 ` KAMEZAWA Hiroyuki
2009-08-19 14:27 ` Balbir Singh
2009-08-20 1:34 ` Wu Fengguang
2009-08-14 21:42 ` [RFC] respect the referenced bit of KVM guest pages? Dike, Jeffrey G
2009-08-14 22:37 ` Rik van Riel
2009-08-15 5:32 ` Wu Fengguang
2009-09-13 16:23 ` KOSAKI Motohiro
2009-08-05 17:53 ` Rik van Riel
2009-08-05 19:00 ` Dike, Jeffrey G
2009-08-05 19:07 ` Rik van Riel
2009-08-05 19:18 ` Dike, Jeffrey G
2009-08-06 9:22 ` Avi Kivity
2009-08-06 9:25 ` Wu Fengguang
2009-08-06 9:35 ` Avi Kivity
2009-08-06 9:35 ` Wu Fengguang
2009-08-06 9:59 ` Avi Kivity
2009-08-06 9:59 ` Wu Fengguang
2009-08-06 10:14 ` Avi Kivity
2009-08-07 1:25 ` KAMEZAWA Hiroyuki
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