From: Evgeniy Polyakov <zbr@ioremap.net>
To: David Rientjes <rientjes@google.com>
Cc: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>,
Alan Cox <alan@lxorguk.ukuu.org.uk>,
balbir@linux.vnet.ibm.com, Nikanth Karthikesan <knikanth@suse.de>,
containers@lists.linux-foundation.org,
linux-kernel@vger.kernel.org,
Torvalds <torvalds@linux-foundation.org>,
Arve Hj?nnev?g <arve@android.com>,
Andrew Morton <akpm@linux-foundation.org>,
Chris Snook <csnook@redhat.com>, Paul Menage <menage@google.com>
Subject: Re: [RFC] [PATCH] Cgroup based OOM killer controller
Date: Wed, 28 Jan 2009 00:55:39 +0300 [thread overview]
Message-ID: <20090127215539.GC12431@ioremap.net> (raw)
In-Reply-To: <alpine.DEB.2.00.0901271238090.21124@chino.kir.corp.google.com>
On Tue, Jan 27, 2009 at 12:41:03PM -0800, David Rientjes (rientjes@google.com) wrote:
> > Having some special application which will monitor /dev/mem_notify and
> > kill processes based on its own hueristics is a good idea, but when it
> > fails to do its work (or does not exist) system has to have ability to
> > make a progress and invoke a main oom-killer.
>
> Agreed, very similiar to the cgroup oom notifier patch that invokes the
> oom killer if there are no attached tasks waiting to handle the situation.
>
> In this case, it would be a configurable delay to allow userspace to act
> in response to oom conditions before invoking the kernel oom killer. So
> instead of thinking of this as a userspace replacement for the oom killer,
> it simply preempts it if userspace can provide more memory, including the
> possibility of killing tasks itself.
How different may look idea expressed by the different phrases and cold
heads :)
--
Evgeniy Polyakov
prev parent reply other threads:[~2009-01-27 21:56 UTC|newest]
Thread overview: 63+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-01-21 11:08 [RFC] [PATCH] Cgroup based OOM killer controller Nikanth Karthikesan
2009-01-21 13:17 ` Evgeniy Polyakov
2009-01-21 15:24 ` Nikanth Karthikesan
2009-01-21 20:49 ` David Rientjes
2009-01-22 2:53 ` KAMEZAWA Hiroyuki
2009-01-22 5:12 ` Nikanth Karthikesan
2009-01-22 5:12 ` Nikanth Karthikesan
2009-01-22 8:43 ` David Rientjes
2009-01-22 9:23 ` Nikanth Karthikesan
2009-01-22 9:39 ` David Rientjes
2009-01-22 10:10 ` Nikanth Karthikesan
2009-01-22 10:18 ` David Rientjes
2009-01-22 9:50 ` Evgeniy Polyakov
2009-01-22 10:00 ` David Rientjes
2009-01-22 10:14 ` Evgeniy Polyakov
2009-01-22 10:27 ` David Rientjes
2009-01-22 13:21 ` Evgeniy Polyakov
2009-01-22 20:28 ` David Rientjes
2009-01-22 21:06 ` Evgeniy Polyakov
2009-01-22 21:35 ` David Rientjes
2009-01-22 22:04 ` Evgeniy Polyakov
2009-01-22 22:28 ` David Rientjes
2009-01-22 22:53 ` Evgeniy Polyakov
2009-01-22 23:25 ` Evgeniy Polyakov
2009-01-27 23:55 ` Paul Menage
2009-01-23 9:45 ` Nikanth Karthikesan
2009-01-23 10:33 ` David Rientjes
2009-01-23 14:56 ` Nikanth Karthikesan
2009-01-23 20:44 ` David Rientjes
2009-01-27 10:20 ` Nikanth Karthikesan
2009-01-27 10:53 ` David Rientjes
2009-01-27 11:08 ` Nikanth Karthikesan
2009-01-27 11:21 ` David Rientjes
2009-01-27 11:37 ` Nikanth Karthikesan
2009-01-27 20:29 ` David Rientjes
2009-01-28 1:00 ` Paul Menage
2009-01-29 15:48 ` Nikanth Karthikesan
2009-01-22 3:28 ` KAMEZAWA Hiroyuki
2009-01-22 5:13 ` Nikanth Karthikesan
2009-01-22 5:27 ` KAMEZAWA Hiroyuki
2009-01-22 6:11 ` Nikanth Karthikesan
2009-01-22 5:39 ` Arve Hjønnevåg
2009-01-22 6:12 ` Nikanth Karthikesan
2009-01-22 6:29 ` Arve Hjønnevåg
2009-01-22 6:42 ` Nikanth Karthikesan
2009-01-26 19:54 ` Balbir Singh
2009-01-26 19:56 ` Alan Cox
2009-01-27 7:02 ` KOSAKI Motohiro
2009-01-27 7:26 ` Balbir Singh
2009-01-27 7:39 ` David Rientjes
2009-01-27 7:44 ` KOSAKI Motohiro
2009-01-27 7:51 ` David Rientjes
2009-01-27 9:31 ` Evgeniy Polyakov
2009-01-27 9:37 ` David Rientjes
2009-01-27 13:40 ` Evgeniy Polyakov
2009-01-27 20:37 ` David Rientjes
2009-01-27 21:51 ` Evgeniy Polyakov
2009-01-27 10:40 ` KOSAKI Motohiro
2009-01-27 13:45 ` Evgeniy Polyakov
2009-01-27 15:40 ` Balbir Singh
2009-01-27 21:54 ` Evgeniy Polyakov
2009-01-27 20:41 ` David Rientjes
2009-01-27 21:55 ` Evgeniy Polyakov [this message]
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