From: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>
To: Minchan Kim <minchan.kim@gmail.com>
Cc: kosaki.motohiro@jp.fujitsu.com,
KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>,
vedran.furac@gmail.com, linux-mm@kvack.org,
linux-kernel@vger.kernel.org
Subject: Re: Memory overcommit
Date: Tue, 27 Oct 2009 15:46:36 +0900 (JST) [thread overview]
Message-ID: <20091027154429.E2A4.A69D9226@jp.fujitsu.com> (raw)
In-Reply-To: <20091027153429.b36866c4.minchan.kim@barrios-desktop>
> > > %check_badness.pl | sort -n | tail
> > > --
> > > 89924 A 3938 A A mixer_applet2
> > > 90210 A 3942 A A tomboy
> > > 94753 A 3936 A A clock-applet
> > > 101994 A 3919 A A pulseaudio
> > > 113525 A 4028 A A gnome-terminal
> > > 127340 A 1 A A A init
> > > 128177 A 3871 A A nautilus
> > > 151003 A 11515 A bash
> > > 256944 A 11653 A mmap
> > > 425561 A 3829 A A gnome-session
> > > --
> > > Sigh, gnome-session has twice value of mmap(1G).
> > > Of course, gnome-session only uses 6M bytes of anon.
> > > I wonder this is because gnome-session has many children..but need to
> > > dig more. Does anyone has idea ?
> > > (CCed kosaki)
> >
> > Following output address the issue.
> > The fact is, modern desktop application linked pretty many library. it
> > makes bloat VSS size and increase
> > OOM score.
> >
> > Ideally, We shouldn't account evictable file-backed mappings for oom_score.
> >
> Hmm.
> I wonder why we consider VM size for OOM kiling.
> How about RSS size?
Because, swap out-ed bad body (e.g. fork bomb process) still should
be killed by oom.
RSS + swap-entries is acceptable to me.
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next prev parent reply other threads:[~2009-10-27 6:46 UTC|newest]
Thread overview: 77+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <hav57c$rso$1@ger.gmane.org>
[not found] ` <20091013120840.a844052d.kamezawa.hiroyu@jp.fujitsu.com>
[not found] ` <hb2cfu$r08$2@ger.gmane.org>
[not found] ` <20091014135119.e1baa07f.kamezawa.hiroyu@jp.fujitsu.com>
2009-10-20 21:52 ` Vedran Furač
2009-10-26 1:55 ` KAMEZAWA Hiroyuki
2009-10-26 16:16 ` Vedran Furač
2009-10-27 3:22 ` KAMEZAWA Hiroyuki
2009-10-27 6:10 ` KOSAKI Motohiro
2009-10-27 6:34 ` Minchan Kim
2009-10-27 6:36 ` KAMEZAWA Hiroyuki
2009-10-27 6:55 ` Minchan Kim
2009-10-27 7:45 ` [RFC][PATCH] oom_kill: avoid depends on total_vm and use real RSS/swap value for oom_score (Re: " KAMEZAWA Hiroyuki
2009-10-27 7:56 ` Minchan Kim
2009-10-27 12:38 ` Andrea Arcangeli
2009-10-28 0:22 ` KAMEZAWA Hiroyuki
2009-10-28 0:45 ` Vedran Furač
2009-10-27 7:56 ` KAMEZAWA Hiroyuki
2009-10-27 8:14 ` Minchan Kim
2009-10-27 8:33 ` KAMEZAWA Hiroyuki
2009-10-27 8:52 ` Minchan Kim
2009-10-27 8:56 ` KAMEZAWA Hiroyuki
2009-10-27 17:41 ` Vedran Furač
2009-10-28 0:13 ` KAMEZAWA Hiroyuki
2009-10-27 18:39 ` Hugh Dickins
2009-10-27 18:47 ` Andrea Arcangeli
2009-10-28 0:32 ` KAMEZAWA Hiroyuki
2009-11-05 19:02 ` Pavel Machek
2009-10-28 0:28 ` KAMEZAWA Hiroyuki
2009-10-27 6:46 ` KOSAKI Motohiro [this message]
2009-10-27 6:56 ` Minchan Kim
2009-10-27 17:12 ` Vedran Furač
2009-10-27 18:02 ` KOSAKI Motohiro
2009-10-27 18:30 ` Vedran Furač
2009-10-27 20:44 ` Hugh Dickins
2009-10-27 21:04 ` David Rientjes
2009-10-28 0:08 ` Vedran Furač
2009-10-28 0:25 ` David Rientjes
2009-10-28 0:39 ` Vedran Furač
2009-10-28 4:08 ` David Rientjes
2009-10-28 4:55 ` KAMEZAWA Hiroyuki
2009-10-28 5:13 ` David Rientjes
2009-10-28 6:05 ` KAMEZAWA Hiroyuki
2009-10-28 6:17 ` David Rientjes
2009-10-28 6:20 ` KAMEZAWA Hiroyuki
2009-10-29 8:38 ` David Rientjes
2009-10-29 11:11 ` Vedran Furač
2009-10-29 19:53 ` David Rientjes
2009-10-29 23:48 ` KAMEZAWA Hiroyuki
2009-10-30 9:10 ` David Rientjes
2009-10-30 9:36 ` KAMEZAWA Hiroyuki
2009-11-03 20:49 ` David Rientjes
2009-11-04 0:50 ` KAMEZAWA Hiroyuki
2009-11-04 1:58 ` David Rientjes
2009-11-04 2:17 ` KAMEZAWA Hiroyuki
2009-11-04 3:10 ` David Rientjes
2009-11-04 3:19 ` KAMEZAWA Hiroyuki
2009-10-30 13:59 ` Vedran Furač
2009-10-30 19:24 ` David Rientjes
2009-11-02 19:58 ` Vedran Furač
2009-10-28 13:28 ` Vedran Furač
2009-10-28 20:10 ` David Rientjes
2009-10-29 3:05 ` Vedran Furač
2009-10-29 8:35 ` David Rientjes
2009-10-29 11:01 ` Vedran Furač
2009-10-29 19:42 ` David Rientjes
2009-10-30 13:53 ` Vedran Furač
2009-10-30 14:08 ` Thomas Fjellstrom
2009-10-30 15:13 ` Vedran Furač
2009-10-30 14:12 ` Andrea Arcangeli
2009-10-30 14:41 ` Vedran Furač
2009-10-30 15:15 ` Andrea Arcangeli
2009-10-30 16:24 ` Hugh Dickins
2009-11-02 19:56 ` Vedran Furač
2009-10-30 19:44 ` David Rientjes
2009-11-02 19:56 ` Vedran Furač
2009-10-28 0:43 ` KAMEZAWA Hiroyuki
2009-10-28 2:47 ` KOSAKI Motohiro
2009-10-28 3:17 ` KAMEZAWA Hiroyuki
2009-10-28 4:12 ` David Rientjes
2009-10-28 8:10 ` Hugh Dickins
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