From: Andrew Morton <akpm@linux-foundation.org>
To: David Rientjes <rientjes@google.com>
Cc: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>,
KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>,
linux-mm@kvack.org
Subject: Re: [patch] oom: filter unkillable tasks from tasklist dump
Date: Wed, 15 Sep 2010 19:16:31 -0700 [thread overview]
Message-ID: <20100915191631.92892ea5.akpm@linux-foundation.org> (raw)
In-Reply-To: <alpine.DEB.2.00.1009151903560.6001@chino.kir.corp.google.com>
On Wed, 15 Sep 2010 19:04:45 -0700 (PDT) David Rientjes <rientjes@google.com> wrote:
> On Wed, 1 Sep 2010, David Rientjes wrote:
>
> > /proc/sys/vm/oom_dump_tasks is enabled by default, so it's necessary to
> > limit as much information as possible that it should emit.
> >
> > The tasklist dump should be filtered to only those tasks that are
> > eligible for oom kill. This is already done for memcg ooms, but this
> > patch extends it to both cpuset and mempolicy ooms as well as init.
> >
> > In addition to suppressing irrelevant information, this also reduces
> > confusion since users currently don't know which tasks in the tasklist
> > aren't eligible for kill (such as those attached to cpusets or bound to
> > mempolicies with a disjoint set of mems or nodes, respectively) since
> > that information is not shown.
> >
> > Signed-off-by: David Rientjes <rientjes@google.com>
>
> Andrew, did you have a chance to look at this and consider it for -mm?
Once the backlog gets too big I start working on it in reverse order :(
I'd have got onto Sep 1 tomorrow.
Got it now, scheduled it for 2.6.36.
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prev parent reply other threads:[~2010-09-16 2:10 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-09-01 21:27 [patch] oom: filter unkillable tasks from tasklist dump David Rientjes
2010-09-02 0:19 ` KOSAKI Motohiro
2010-09-16 2:04 ` David Rientjes
2010-09-16 2:16 ` Andrew Morton [this message]
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