linux-kernel - Re: [PATCH] oom: Make coredump interruptible

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Message-ID: <alpine.DEB.2.00.1006091341040.3490@chino.kir.corp.google.com>
Date:	Wed, 9 Jun 2010 13:41:53 -0700 (PDT)
From:	David Rientjes <rientjes@...gle.com>
To:	Oleg Nesterov <oleg@...hat.com>
cc:	KOSAKI Motohiro <kosaki.motohiro@...fujitsu.com>,
	Roland McGrath <roland@...hat.com>,
	LKML <linux-kernel@...r.kernel.org>,
	linux-mm <linux-mm@...ck.org>,
	Andrew Morton <akpm@...ux-foundation.org>,
	KAMEZAWA Hiroyuki <kamezawa.hiroyu@...fujitsu.com>,
	Nick Piggin <npiggin@...e.de>
Subject: Re: [PATCH] oom: Make coredump interruptible

On Wed, 9 Jun 2010, Oleg Nesterov wrote:

> --- x/mm/oom_kill.c
> +++ x/mm/oom_kill.c
> @@ -414,6 +414,7 @@ static void __oom_kill_task(struct task_
>  	p->rt.time_slice = HZ;
>  	set_tsk_thread_flag(p, TIF_MEMDIE);
>  
> +	clear_bit(MMF_COREDUMP, &p->mm->flags);
>  	force_sig(SIGKILL, p);
>  }
>  

This requires task_lock(p).
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