From: Konstantin Khlebnikov <khlebnikov@openvz.org>
To: Michal Hocko <mhocko@suse.cz>
Cc: David Rientjes <rientjes@google.com>,
Oleg Nesterov <oleg@redhat.com>,
"linux-mm@kvack.org" <linux-mm@kvack.org>,
Andrew Morton <akpm@linux-foundation.org>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>,
KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>,
"Rafael J. Wysocki" <rjw@sisk.pl>
Subject: Re: [PATCH] oom: skip frozen tasks
Date: Fri, 26 Aug 2011 14:03:17 +0400 [thread overview]
Message-ID: <4E576F65.5060009@openvz.org> (raw)
In-Reply-To: <20110826085610.GA9083@tiehlicka.suse.cz>
Michal Hocko wrote:
> @@ -450,6 +459,10 @@ static int oom_kill_task(struct task_struct *p, struct mem_cgroup *mem)
> pr_err("Kill process %d (%s) sharing same memory\n",
> task_pid_nr(q), q->comm);
> task_unlock(q);
> +
> + if (frozen(q))
> + thaw_process(q);
> +
We must thaw task strictly after sending SIGKILL.
But anyway I think this is a bad idea.
> force_sig(SIGKILL, q);
> }
>
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next prev parent reply other threads:[~2011-08-26 10:03 UTC|newest]
Thread overview: 44+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-08-23 8:31 [PATCH] oom: skip frozen tasks Konstantin Khlebnikov
2011-08-23 9:15 ` KAMEZAWA Hiroyuki
2011-08-23 13:46 ` Michal Hocko
2011-08-23 20:18 ` David Rientjes
2011-08-24 10:19 ` Michal Hocko
2011-08-24 19:31 ` David Rientjes
2011-08-25 9:19 ` Michal Hocko
2011-08-25 15:18 ` Oleg Nesterov
2011-08-25 16:47 ` Michal Hocko
2011-08-25 21:14 ` David Rientjes
2011-08-26 7:09 ` Michal Hocko
2011-08-26 8:56 ` Michal Hocko
2011-08-26 9:21 ` David Rientjes
2011-08-26 9:53 ` Michal Hocko
2011-08-26 11:01 ` Michal Hocko
2011-08-26 18:13 ` David Rientjes
2011-09-26 8:28 ` [PATCH 1/2] oom: do not live lock on " Michal Hocko
2011-09-26 8:56 ` David Rientjes
2011-09-26 9:14 ` Michal Hocko
2011-09-26 9:25 ` KAMEZAWA Hiroyuki
2011-09-26 9:32 ` Michal Hocko
2011-09-26 15:51 ` Rafael J. Wysocki
2011-09-26 18:28 ` Michal Hocko
2011-09-27 1:03 ` David Rientjes
2011-09-27 7:52 ` Michal Hocko
2011-09-27 18:30 ` David Rientjes
2011-09-26 10:28 ` Rusty Russell
2011-09-26 11:05 ` Michal Hocko
2011-09-27 2:21 ` Rusty Russell
2011-09-27 7:03 ` [PATCH] lguest: move process freezing before pending signals check Michal Hocko
2011-09-26 8:35 ` [PATCH 2/2] oom: give bonus to frozen processes Michal Hocko
2011-09-26 9:02 ` David Rientjes
2011-09-26 9:31 ` KAMEZAWA Hiroyuki
2011-09-26 9:54 ` Michal Hocko
2011-08-26 21:03 ` [PATCH] oom: skip frozen tasks Rafael J. Wysocki
2011-08-26 10:03 ` Konstantin Khlebnikov [this message]
2011-08-26 10:48 ` Michal Hocko
2011-08-26 12:44 ` Konstantin Khlebnikov
2011-08-26 12:59 ` Michal Hocko
2011-08-26 7:35 ` Konstantin Khlebnikov
2011-08-26 9:09 ` David Rientjes
2011-08-26 9:59 ` Konstantin Khlebnikov
2011-08-26 18:09 ` David Rientjes
2011-08-25 21:03 ` Rafael J. Wysocki
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