From: Minchan Kim <minchan.kim@gmail.com>
To: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>
Cc: LKML <linux-kernel@vger.kernel.org>,
linux-mm <linux-mm@kvack.org>,
Andrew Morton <akpm@linux-foundation.org>,
David Rientjes <rientjes@google.com>,
KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
Subject: Re: [PATCH 1/9] oom: don't try to kill oom_unkillable child
Date: Wed, 16 Jun 2010 23:41:27 +0900 [thread overview]
Message-ID: <20100616144127.GA9278@barrios-desktop> (raw)
In-Reply-To: <20100616201948.72D7.A69D9226@jp.fujitsu.com>
On Wed, Jun 16, 2010 at 08:29:13PM +0900, KOSAKI Motohiro wrote:
> Now, badness() doesn't care neigher CPUSET nor mempolicy. Then
> if the victim child process have disjoint nodemask, __out_of_memory()
> can makes kernel hang eventually.
>
> This patch fixes it.
>
> Signed-off-by: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>
Reviewed-by: Minchan Kim <minchan.kim@gmail.com>
This patch inclues two things.
1. consider cpuset and mempolicy in oom_kill_process
2. Simplify mempolicy oom check with nodemask != NULL
in select_bad_process.
1) change behavior but 2) is just cleanup.
It should have been in another patch to reivew easily. :)
--
Kind regards,
Minchan Kim
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next prev parent reply other threads:[~2010-06-16 14:41 UTC|newest]
Thread overview: 29+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-06-16 11:29 [PATCH 1/9] oom: don't try to kill oom_unkillable child KOSAKI Motohiro
2010-06-16 11:31 ` [PATCH 2/9] oom: rename badness() to oom_badness() KOSAKI Motohiro
2010-06-16 14:46 ` Minchan Kim
2010-06-16 21:40 ` David Rientjes
2010-06-17 1:51 ` KOSAKI Motohiro
2010-06-16 11:32 ` [PATCH 3/9] oom: oom_kill_process() doesn't select kthread child KOSAKI Motohiro
2010-06-16 15:02 ` Minchan Kim
2010-06-17 1:51 ` KOSAKI Motohiro
2010-06-16 11:32 ` [PATCH 4/9] oom: oom_kill_process() need to check p is unkillable KOSAKI Motohiro
2010-06-16 15:07 ` Minchan Kim
2010-06-17 1:51 ` KOSAKI Motohiro
2010-06-16 11:33 ` [PATCH 5/9] oom: make oom_unkillable_task() helper function KOSAKI Motohiro
2010-06-16 15:10 ` Minchan Kim
2010-06-16 11:34 ` [PATCH 6/9] oom: use same_thread_group instead comparing ->mm KOSAKI Motohiro
2010-06-16 12:24 ` Oleg Nesterov
2010-06-17 1:51 ` KOSAKI Motohiro
2010-06-16 15:15 ` Minchan Kim
2010-06-17 1:51 ` KOSAKI Motohiro
2010-06-16 11:34 ` [PATCH 7/9] oom: unify CAP_SYS_RAWIO check into other superuser check KOSAKI Motohiro
2010-06-16 11:35 ` [PATCH 8/9] oom: cleanup has_intersects_mems_allowed() KOSAKI Motohiro
2010-06-16 15:22 ` Minchan Kim
2010-06-16 11:36 ` [PATCH 9/9] oom: give the dying task a higher priority KOSAKI Motohiro
2010-06-16 15:31 ` Minchan Kim
2010-06-16 19:54 ` Luis Claudio R. Goncalves
2010-06-17 1:51 ` KOSAKI Motohiro
2010-06-17 1:51 ` KOSAKI Motohiro
2010-06-16 14:41 ` Minchan Kim [this message]
2010-06-17 1:51 ` [PATCH 1/9] oom: don't try to kill oom_unkillable child KOSAKI Motohiro
-- strict thread matches above, loose matches on Subject: below --
2010-06-17 1:45 KOSAKI Motohiro
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