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From: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>
To: caiqian@redhat.com
Cc: linux-mm@kvack.org, linux-kernel@vger.kernel.org,
	akpm@linux-foundation.org, rientjes@google.com, hughd@google.com,
	kamezawa.hiroyu@jp.fujitsu.com, minchan.kim@gmail.com,
	oleg@redhat.com
Subject: Re: [PATCH v2 0/5] Fix oom killer doesn't work at all if system have > gigabytes memory  (aka CAI founded issue)
Date: Tue, 31 May 2011 16:56:52 +0900	[thread overview]
Message-ID: <4DE49F44.10809@jp.fujitsu.com> (raw)
In-Reply-To: <1685840459.318633.1306828245496.JavaMail.root@zmail06.collab.prod.int.phx2.redhat.com>

(2011/05/31 16:50), CAI Qian wrote:
> 
> 
> ----- Original Message -----
>>>> - If you run the same program as root, non root process and
>>>> privilege
>>>> explicit
>>>> dropping processes (e.g. irqbalance) will be killed at first.
>>> Hmm, at least there were some programs were root processes but were
>>> killed
>>> first.
>>> [ pid] ppid uid total_vm rss swap score_adj name
>>> [ 5720] 5353 0 24421 257 0 0 sshd
>>> [ 5353] 1 0 15998 189 0 0 sshd
>>> [ 5451] 1 0 19648 235 0 0 master
>>> [ 1626] 1 0 2287 129 0 0 dhclient
>>
>> Hi
>>
>> I can't reproduce this too. Are you sure these processes have a full
>> root privilege?
>> I've made new debugging patch. After applying following patch, do
>> these processes show
>> cap=1?
> No, all of them had cap=0. Wondering why something like sshd not been
> made cap=1 to avoid early oom kill.

Then, I believe your distro applying distro specific patch to ssh.
Which distro are you using now?



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  reply	other threads:[~2011-05-31  7:57 UTC|newest]

Thread overview: 59+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2011-05-20  8:00 KOSAKI Motohiro
2011-05-20  8:01 ` [PATCH 1/5] oom: improve dump_tasks() show items KOSAKI Motohiro
2011-05-23 22:16   ` David Rientjes
2011-05-20  8:02 ` [PATCH 2/5] oom: kill younger process first KOSAKI Motohiro
2011-05-23  2:37   ` Minchan Kim
2011-05-23 22:20   ` David Rientjes
2011-05-20  8:03 ` [PATCH 3/5] oom: oom-killer don't use proportion of system-ram internally KOSAKI Motohiro
2011-05-23  3:59   ` Minchan Kim
2011-05-24  1:14     ` KOSAKI Motohiro
2011-05-24  1:32       ` Minchan Kim
2011-05-23  4:02   ` Minchan Kim
2011-05-24  1:44     ` KOSAKI Motohiro
2011-05-24  3:11       ` KOSAKI Motohiro
2011-05-23 22:28   ` David Rientjes
2011-05-23 22:48     ` David Rientjes
2011-05-24  1:21       ` KOSAKI Motohiro
2011-05-24  8:32       ` CAI Qian
2011-05-26  7:08       ` CAI Qian
2011-05-27 19:12         ` David Rientjes
2011-05-24  2:07     ` KOSAKI Motohiro
2011-05-26  9:34   ` CAI Qian
2011-05-26  9:56     ` KOSAKI Motohiro
2011-05-20  8:04 ` [PATCH 4/5] oom: don't kill random process KOSAKI Motohiro
2011-05-23  4:31   ` Minchan Kim
2011-05-24  1:53     ` KOSAKI Motohiro
2011-05-24  8:46       ` Minchan Kim
2011-05-24  8:49         ` KOSAKI Motohiro
2011-05-24  9:04           ` Minchan Kim
2011-05-24  9:09             ` KOSAKI Motohiro
2011-05-24  9:20               ` Minchan Kim
2011-05-24  9:38                 ` KOSAKI Motohiro
2011-05-23 22:32   ` David Rientjes
2011-05-24  1:35     ` KOSAKI Motohiro
2011-05-24  1:39       ` David Rientjes
2011-05-24  1:55         ` KOSAKI Motohiro
2011-05-24  1:58           ` David Rientjes
2011-05-24  2:03             ` KOSAKI Motohiro
2011-05-25 23:50               ` David Rientjes
2011-05-30  1:17                 ` KOSAKI Motohiro
2011-05-31  4:48                   ` David Rientjes
2011-05-31  4:54                     ` KOSAKI Motohiro
2011-05-20  8:05 ` [PATCH 5/5] oom: merge oom_kill_process() with oom_kill_task() KOSAKI Motohiro
2011-05-31  1:33 ` [PATCH v2 0/5] Fix oom killer doesn't work at all if system have > gigabytes memory (aka CAI founded issue) CAI Qian
2011-05-31  4:10   ` KOSAKI Motohiro
2011-05-31  4:14     ` CAI Qian
2011-05-31  4:34       ` KOSAKI Motohiro
2011-05-31  4:49       ` KOSAKI Motohiro
2011-05-31  4:32     ` KOSAKI Motohiro
2011-05-31  4:52     ` CAI Qian
2011-05-31  7:04       ` KOSAKI Motohiro
2011-05-31  7:50         ` CAI Qian
2011-05-31  7:56           ` KOSAKI Motohiro [this message]
2011-05-31  7:59             ` CAI Qian
2011-05-31  8:11               ` KOSAKI Motohiro
2011-05-31 10:01                 ` KOSAKI Motohiro
2011-06-01  1:17                   ` CAI Qian
2011-06-01  3:32                   ` Minchan Kim
2011-06-06  3:07                     ` KOSAKI Motohiro
2011-06-06 14:44                       ` Minchan Kim

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