linux-kernel - Re: [sched] Out of memory: Kill process 2999 (rc) score 9 or sacrifice child

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Message-ID: <20140809192417.GA32704@redhat.com>
Date:	Sat, 9 Aug 2014 21:24:17 +0200
From:	Oleg Nesterov <oleg@...hat.com>
To:	Peter Zijlstra <peterz@...radead.org>
Cc:	Fengguang Wu <fengguang.wu@...el.com>,
	Dave Hansen <dave.hansen@...el.com>,
	LKML <linux-kernel@...r.kernel.org>, lkp@...org
Subject: Re: [sched] Out of memory: Kill process 2999 (rc) score 9 or
	sacrifice child

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.

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