From: Rik van Riel <riel@redhat.com>
To: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>
Cc: Wu Fengguang <fengguang.wu@gmail.com>,
David Woodhouse <dwmw2@infradead.org>,
David Howells <dhowells@redhat.com>,
Minchan Kim <minchan.kim@gmail.com>, Mel Gorman <mel@csn.ul.ie>,
Johannes Weiner <hannes@cmpxchg.org>,
Andrew Morton <akpm@linux-foundation.org>,
LKML <linux-kernel@vger.kernel.org>,
Christoph Lameter <cl@linux-foundation.org>,
"peterz@infradead.org" <peterz@infradead.org>,
"tytso@mit.edu" <tytso@mit.edu>,
"linux-mm@kvack.org" <linux-mm@kvack.org>,
"elladan@eskimo.com" <elladan@eskimo.com>,
"npiggin@suse.de" <npiggin@suse.de>,
"Barnes, Jesse" <jesse.barnes@intel.com>
Subject: Re: Found the commit that causes the OOMs
Date: Tue, 30 Jun 2009 22:57:02 -0400 [thread overview]
Message-ID: <4A4AD07E.2040508@redhat.com> (raw)
In-Reply-To: <20090701114959.85D3.A69D9226@jp.fujitsu.com>
KOSAKI Motohiro wrote:
>> [ 1522.019259] Active_anon:11 active_file:6 inactive_anon:0
>> [ 1522.019260] inactive_file:0 unevictable:0 dirty:0 writeback:0 unstable:0
>> [ 1522.019261] free:1985 slab:44399 mapped:132 pagetables:61830 bounce:0
>> [ 1522.019262] isolate:69817
>
> OK. thanks.
> I plan to submit this patch after small more tests. it is useful for OOM analysis.
It is also useful for throttling page reclaim.
If more than half of the inactive pages in a zone are
isolated, we are probably beyond the point where adding
additional reclaim processes will do more harm than good.
--
All rights reversed.
next prev parent reply other threads:[~2009-07-01 2:57 UTC|newest]
Thread overview: 92+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-05-17 2:23 [PATCH 0/3] make mapped executable pages the first class citizen Wu Fengguang
2009-05-17 2:23 ` [PATCH 1/3] vmscan: report vm_flags in page_referenced() Wu Fengguang
2009-05-17 2:23 ` [PATCH 2/3] vmscan: make mapped executable pages the first class citizen Wu Fengguang
2009-05-19 8:59 ` Wu Fengguang
2009-05-17 2:23 ` [PATCH 3/3] vmscan: merge duplicate code in shrink_active_list() Wu Fengguang
2009-05-18 9:16 ` Wu Fengguang
2009-05-19 2:43 ` Wu Fengguang
2009-05-19 10:18 ` Johannes Weiner
2009-05-19 10:32 ` Wu Fengguang
2009-06-18 14:46 ` [PATCH 0/3] make mapped executable pages the first class citizen David Howells
2009-06-19 5:24 ` Wu Fengguang
2009-06-19 5:58 ` Wu Fengguang
2009-06-19 8:06 ` David Howells
2009-06-18 14:51 ` David Howells
2009-06-18 16:18 ` David Howells
2009-06-18 16:57 ` Andrew Morton
2009-06-20 4:33 ` Wu Fengguang
2009-06-20 8:24 ` David Howells
2009-06-23 14:43 ` David Howells
2009-06-24 1:43 ` KOSAKI Motohiro
2009-06-24 2:32 ` Wu Fengguang
2009-06-24 2:43 ` KOSAKI Motohiro
2009-06-24 2:49 ` Wu Fengguang
2009-06-27 11:53 ` Johannes Weiner
2009-06-27 18:40 ` David Howells
2009-06-24 13:07 ` David Howells
2009-06-27 7:12 ` Found the commit that causes the OOMs David Howells
2009-06-27 12:07 ` Minchan Kim
2009-06-27 12:54 ` Johannes Weiner
2009-06-27 13:50 ` Minchan Kim
2009-06-27 15:36 ` Johannes Weiner
2009-06-28 16:53 ` Minchan Kim
2009-06-27 15:52 ` KOSAKI Motohiro
2009-06-28 11:32 ` Wu Fengguang
2009-06-28 13:30 ` Minchan Kim
2009-06-28 13:36 ` Minchan Kim
2009-06-28 14:22 ` Wu Fengguang
2009-06-28 15:01 ` KOSAKI Motohiro
2009-06-28 15:10 ` Wu Fengguang
2009-06-28 16:50 ` Minchan Kim
2009-06-29 0:17 ` Minchan Kim
2009-06-29 7:34 ` Wu Fengguang
2009-06-29 10:10 ` David Howells
2009-06-29 12:55 ` Wu Fengguang
2009-06-29 14:21 ` David Howells
2009-06-29 15:00 ` Minchan Kim
2009-06-29 15:14 ` Wu Fengguang
2009-06-29 15:54 ` David Howells
2009-06-29 15:56 ` David Woodhouse
2009-06-30 14:05 ` Wu Fengguang
2009-06-30 15:50 ` Minchan Kim
2009-07-01 2:30 ` Wu Fengguang
2009-07-01 1:18 ` KOSAKI Motohiro
2009-07-01 2:13 ` Rik van Riel
2009-07-01 2:16 ` Wu Fengguang
2009-07-01 2:26 ` Wu Fengguang
2009-07-01 2:51 ` KOSAKI Motohiro
2009-07-01 2:57 ` Rik van Riel [this message]
2009-07-01 4:06 ` Wu Fengguang
2009-07-01 4:18 ` KOSAKI Motohiro
2009-07-01 4:25 ` Wu Fengguang
2009-07-01 4:30 ` KOSAKI Motohiro
2009-07-01 11:27 ` Wu Fengguang
2009-07-05 9:55 ` Wu Fengguang
2009-07-05 10:38 ` KOSAKI Motohiro
2009-07-05 10:51 ` Wu Fengguang
2009-07-01 3:54 ` Wu Fengguang
2009-06-29 16:07 ` Mel Gorman
2009-06-30 4:07 ` Minchan Kim
2009-06-30 9:22 ` Mel Gorman
2009-06-30 9:30 ` Minchan Kim
2009-06-30 14:00 ` Minchan Kim
2009-06-30 19:57 ` David Howells
2009-07-02 7:41 ` Minchan Kim
2009-07-02 7:44 ` Minchan Kim
2009-07-02 12:43 ` Wu Fengguang
2009-07-02 14:08 ` Minchan Kim
2009-06-29 15:27 ` David Howells
2009-06-28 14:49 ` KOSAKI Motohiro
2009-06-28 15:04 ` Wu Fengguang
2009-06-28 16:47 ` Minchan Kim
2009-06-29 7:48 ` KOSAKI Motohiro
2009-06-29 9:32 ` Minchan Kim
2009-06-29 12:43 ` David Howells
2009-06-29 12:59 ` Wu Fengguang
2009-06-29 16:57 ` Andrew Morton
2009-06-29 18:54 ` KOSAKI Motohiro
2009-06-29 19:08 ` KOSAKI Motohiro
2009-06-27 18:35 ` David Howells
2009-06-27 18:58 ` David Howells
2009-06-28 7:55 ` David Howells
2009-06-19 5:27 ` [PATCH 0/3] make mapped executable pages the first class citizen Wu Fengguang
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