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From: Evgeniy Polyakov <zbr@ioremap.net>
To: David Rientjes <rientjes@google.com>
Cc: Balbir Singh <balbir@linux.vnet.ibm.com>,
	Alan Cox <alan@lxorguk.ukuu.org.uk>,
	Dave Jones <davej@redhat.com>,
	linux-kernel@vger.kernel.org,
	Andrew Morton <akpm@linux-foundation.org>,
	Linus Torvalds <torvalds@linux-foundation.org>
Subject: Re: [why oom_adj does not work] Re: Linux killed Kenny, bastard!
Date: Wed, 14 Jan 2009 00:33:16 +0300	[thread overview]
Message-ID: <20090113213316.GB27227@ioremap.net> (raw)
In-Reply-To: <alpine.DEB.2.00.0901131140340.8522@chino.kir.corp.google.com>

On Tue, Jan 13, 2009 at 11:46:14AM -0800, David Rientjes (rientjes@google.com) wrote:
> Children are already preferred over the chosen parent task, as I've 
> explained a few times.  When a task is identified for oom kill by the 
> badness heuristics, the oom killer attempts to kill a child that does not 
> share the same mm first, which is exactly what you're asking for here.  If 
> the parent shares the mm, it needs to exit as well before memory freeing 
> may occur.

I really did not investigate why it happend, but oom'ed machine had
killed cgi daemons and parent process itself. And ssh to the heap.
While it should be enough just to kill appropriate daemon. Apparently
things are not that shine as should be.

-- 
	Evgeniy Polyakov

  reply	other threads:[~2009-01-13 21:33 UTC|newest]

Thread overview: 83+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2009-01-12 15:33 Linux killed Kenny, bastard! Evgeniy Polyakov
2009-01-12 15:44 ` Dave Jones
2009-01-12 15:48   ` Evgeniy Polyakov
2009-01-12 15:51     ` Alan Cox
2009-01-12 15:52       ` Evgeniy Polyakov
2009-01-12 21:29         ` Chris Snook
2009-01-12 21:42           ` Evgeniy Polyakov
2009-01-13 13:52       ` [why oom_adj does not work] " Evgeniy Polyakov
2009-01-13 14:06         ` Alan Cox
2009-01-13 14:24           ` Evgeniy Polyakov
2009-01-13 15:00             ` Balbir Singh
2009-01-13 15:21               ` Evgeniy Polyakov
2009-01-13 18:04                 ` Valdis.Kletnieks
2009-01-13 19:46                 ` David Rientjes
2009-01-13 21:33                   ` Evgeniy Polyakov [this message]
2009-01-13 21:39                     ` David Rientjes
2009-01-13 22:05                       ` Evgeniy Polyakov
2009-01-14 16:12                       ` OOM documentation update [was: Linux killed Kenny, bastard!] Evgeniy Polyakov
2009-01-14 17:06                         ` [take2] " Evgeniy Polyakov
2009-01-14 21:34                           ` Randy Dunlap
2009-01-14 21:53                           ` Bryan Donlan
2009-01-14 22:10                             ` Evgeniy Polyakov
2009-01-14 22:14                             ` [take3] " Evgeniy Polyakov
2009-01-15  0:58                               ` David Rientjes
2009-01-15  8:51                                 ` Evgeniy Polyakov
2009-01-15  8:57                                 ` [take4] " Evgeniy Polyakov
2009-01-15 11:13                                   ` David Rientjes
2009-01-12 15:49 ` Linux killed Kenny, bastard! Alan Cox
2009-01-12 15:50   ` Evgeniy Polyakov
2009-01-12 15:52     ` Alan Cox
2009-01-12 15:56       ` Evgeniy Polyakov
2009-01-12 16:19         ` Alan Cox
2009-01-12 16:29           ` Evgeniy Polyakov
2009-01-12 23:00             ` Bill Davidsen
2009-01-12 23:17               ` Evgeniy Polyakov
2009-01-13  1:53                 ` David Rientjes
2009-01-13  8:52                   ` Evgeniy Polyakov
2009-01-13  9:54                     ` David Rientjes
2009-01-13 11:54                       ` Evgeniy Polyakov
2009-01-13 12:15                         ` Alan Cox
2009-01-13 12:29                           ` Evgeniy Polyakov
2009-01-13 13:19                             ` Theodore Tso
2009-01-13 13:35                               ` Evgeniy Polyakov
2009-01-14  0:24                                 ` Bill Davidsen
2009-01-14  0:35                                   ` Evgeniy Polyakov
2009-01-13 13:47                               ` Alan Cox
2009-01-13 19:36                             ` David Rientjes
2009-01-13 21:46                               ` Evgeniy Polyakov
2009-01-13 22:49                                 ` Theodore Tso
2009-01-13 23:02                                   ` Evgeniy Polyakov
2009-01-14  1:11                                     ` Theodore Tso
2009-01-14  1:20                                       ` Evgeniy Polyakov
2009-01-14  4:06                                         ` Theodore Tso
2009-01-13 23:10                                 ` David Rientjes
2009-01-13 23:35                                   ` Evgeniy Polyakov
2009-01-13 23:43                                     ` David Rientjes
2009-01-13 23:55                                       ` Evgeniy Polyakov
2009-01-14  0:32                                         ` David Rientjes
2009-01-14  0:53                                           ` Evgeniy Polyakov
2009-01-14  4:23                                     ` Valdis.Kletnieks
2009-01-14  9:07                                       ` Evgeniy Polyakov
2009-01-13 19:15                         ` David Rientjes
2009-01-13 22:00                           ` Evgeniy Polyakov
2009-01-13 23:26                         ` Valdis.Kletnieks
2009-01-13 23:36                           ` Evgeniy Polyakov
2009-01-13 13:41                       ` Jan-Frode Myklebust
2009-01-13 13:59                         ` Alan Cox
2009-01-12 16:22         ` Dave Jones
2009-01-12 16:28           ` Evgeniy Polyakov
2009-01-13 16:35 ` KOSAKI Motohiro
2009-01-13 22:04   ` Evgeniy Polyakov
     [not found] <bTx3z-8bU-23@gated-at.bofh.it>
     [not found] ` <bTxdg-8sZ-23@gated-at.bofh.it>
     [not found]   ` <bTxdg-8sZ-21@gated-at.bofh.it>
     [not found]     ` <bTxmW-hf-1@gated-at.bofh.it>
     [not found]       ` <bTRYr-2up-21@gated-at.bofh.it>
2009-01-14 19:18         ` [why oom_adj does not work] " Bodo Eggert
2009-01-14 19:22           ` Evgeniy Polyakov
2009-01-15  0:54             ` David Rientjes
2009-01-15  8:43               ` Evgeniy Polyakov
2009-01-15 21:50             ` Bodo Eggert
2009-01-15 22:35               ` Evgeniy Polyakov
2009-01-17 14:12                 ` Bodo Eggert
2009-01-17 14:22                   ` Evgeniy Polyakov
2009-01-18 12:37                     ` Bodo Eggert
2009-01-18 13:13                       ` Evgeniy Polyakov
2009-01-18 20:25                         ` Bodo Eggert
2009-01-18 20:41                           ` Evgeniy Polyakov

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