From: Oleg Nesterov <oleg@redhat.com>
To: lkp@lists.01.org
Subject: Re: [sched] Out of memory: Kill process 2999 (rc) score 9 or sacrifice child
Date: Sat, 09 Aug 2014 21:24:17 +0200 [thread overview]
Message-ID: <20140809192417.GA32704@redhat.com> (raw)
In-Reply-To: <20140809184616.GQ9918@twins.programming.kicks-ass.net>
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On 08/09, Peter Zijlstra wrote:
>
> That would suggest we're failing to do the TASK_DEAD thing properly, and
> ARGH! bloody obvious why, see the this_rq() comment right before the
> finish_task_switch() call in context_switch().
Heh ;) and a similar comment in __schedule() after context_switch().
rq->dead_task or something similar should work I guess, but i should be
nullified before finish_lock_switch()...
Oleg.
WARNING: multiple messages have this Message-ID (diff)
From: Oleg Nesterov <oleg@redhat.com>
To: Peter Zijlstra <peterz@infradead.org>
Cc: Fengguang Wu <fengguang.wu@intel.com>,
Dave Hansen <dave.hansen@intel.com>,
LKML <linux-kernel@vger.kernel.org>,
lkp@01.org
Subject: Re: [sched] Out of memory: Kill process 2999 (rc) score 9 or sacrifice child
Date: Sat, 9 Aug 2014 21:24:17 +0200 [thread overview]
Message-ID: <20140809192417.GA32704@redhat.com> (raw)
In-Reply-To: <20140809184616.GQ9918@twins.programming.kicks-ass.net>
On 08/09, Peter Zijlstra wrote:
>
> That would suggest we're failing to do the TASK_DEAD thing properly, and
> ARGH! bloody obvious why, see the this_rq() comment right before the
> finish_task_switch() call in context_switch().
Heh ;) and a similar comment in __schedule() after context_switch().
rq->dead_task or something similar should work I guess, but i should be
nullified before finish_lock_switch()...
Oleg.
next prev parent reply other threads:[~2014-08-09 19:24 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-08-09 14:30 [sched] Out of memory: Kill process 2999 (rc) score 9 or sacrifice child Fengguang Wu
2014-08-09 14:30 ` Fengguang Wu
2014-08-09 18:46 ` Peter Zijlstra
2014-08-09 18:46 ` Peter Zijlstra
2014-08-09 19:24 ` Oleg Nesterov [this message]
2014-08-09 19:24 ` Oleg Nesterov
2014-08-10 15:29 ` Oleg Nesterov
2014-08-10 15:29 ` Oleg Nesterov
2014-08-11 6:11 ` Kirill Tkhai
2014-08-11 6:11 ` Kirill Tkhai
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