From: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
To: David Rientjes <rientjes@google.com>
Cc: Andrew Morton <akpm@linux-foundation.org>,
Daisuke Nishimura <nishimura@mxp.nes.nec.co.jp>,
KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>,
linux-mm@kvack.org, linux-kernel@vger.kernel.org,
Christoph Lameter <cl@linux-foundation.org>
Subject: Re: [BUGFIX][PATCH] oom-kill: fix NUMA consraint check with nodemask v4.2
Date: Fri, 18 Dec 2009 08:33:48 +0900 [thread overview]
Message-ID: <20091218083348.c75dbb81.kamezawa.hiroyu@jp.fujitsu.com> (raw)
In-Reply-To: <alpine.DEB.2.00.0912171422290.4089@chino.kir.corp.google.com>
On Thu, 17 Dec 2009 14:23:39 -0800 (PST)
David Rientjes <rientjes@google.com> wrote:
> On Tue, 15 Dec 2009, KAMEZAWA Hiroyuki wrote:
>
> > What I can't undestand is the technique to know whether a (unknown) process is
> > leaking memory or not by checking vm_size.
>
> Memory leaks are better identified via total_vm since leaked memory has a
> lower probability of staying resident in physical memory.
>
Because malloc() writes header on newly allcoated memory, (vm_size - rss) cannot
be far from a some important program which wakes up once in a
day or sleep in the day works in the night.
I hope user knows expected memory size of applications, but I know it can't.
Sigh...
Thanks,
-Kame
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next prev parent reply other threads:[~2009-12-17 23:37 UTC|newest]
Thread overview: 46+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-11-04 8:09 [BUGFIX][PATCH] oom-kill: fix NUMA consraint check with nodemask KAMEZAWA Hiroyuki
2009-11-06 0:02 ` [BUGFIX][PATCH] oom-kill: fix NUMA consraint check with nodemask v2 KAMEZAWA Hiroyuki
2009-11-10 7:24 ` KOSAKI Motohiro
2009-11-10 7:24 ` KAMEZAWA Hiroyuki
2009-11-10 7:39 ` KOSAKI Motohiro
2009-11-10 7:40 ` KAMEZAWA Hiroyuki
2009-11-10 8:03 ` Daisuke Nishimura
2009-11-10 8:17 ` KAMEZAWA Hiroyuki
2009-11-11 2:24 ` [BUGFIX][PATCH] oom-kill: fix NUMA consraint check with nodemask v3 KAMEZAWA Hiroyuki
2009-11-11 2:36 ` KOSAKI Motohiro
2009-11-11 2:49 ` David Rientjes
2009-11-11 3:02 ` KOSAKI Motohiro
2009-11-11 3:10 ` KAMEZAWA Hiroyuki
2009-11-11 3:14 ` David Rientjes
2009-11-11 3:23 ` KOSAKI Motohiro
2009-11-11 3:27 ` David Rientjes
2009-11-11 3:04 ` KAMEZAWA Hiroyuki
2009-11-11 4:45 ` [BUGFIX][PATCH] oom-kill: fix NUMA consraint check with nodemask v4 KAMEZAWA Hiroyuki
2009-11-11 5:28 ` [BUGFIX][PATCH] oom-kill: fix NUMA consraint check with nodemask v4.1 KAMEZAWA Hiroyuki
2009-11-11 5:58 ` David Rientjes
2009-11-11 6:20 ` KAMEZAWA Hiroyuki
2009-11-11 6:26 ` David Rientjes
2009-11-11 6:34 ` [BUGFIX][PATCH] oom-kill: fix NUMA consraint check with nodemask v4.2 KAMEZAWA Hiroyuki
2009-11-11 7:32 ` David Rientjes
2009-11-18 0:11 ` David Rientjes
2009-11-18 0:58 ` KAMEZAWA Hiroyuki
2009-11-18 2:13 ` David Rientjes
2009-12-15 1:16 ` Andrew Morton
2009-12-15 1:32 ` KAMEZAWA Hiroyuki
2009-12-15 1:38 ` KOSAKI Motohiro
2009-12-15 4:30 ` David Rientjes
2009-12-15 4:35 ` KAMEZAWA Hiroyuki
2009-12-15 4:54 ` David Rientjes
2009-12-15 5:19 ` KOSAKI Motohiro
2009-12-17 22:21 ` David Rientjes
2009-12-18 4:30 ` KOSAKI Motohiro
2009-12-18 10:04 ` David Rientjes
2009-12-15 4:57 ` KAMEZAWA Hiroyuki
2009-12-15 4:43 ` KAMEZAWA Hiroyuki
2009-12-15 4:57 ` David Rientjes
2009-12-15 5:09 ` KAMEZAWA Hiroyuki
2009-12-17 22:23 ` David Rientjes
2009-12-17 23:33 ` KAMEZAWA Hiroyuki [this message]
2009-12-15 4:47 ` KOSAKI Motohiro
2009-12-15 5:03 ` David Rientjes
2009-11-18 1:41 ` Daisuke Nishimura
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