From mboxrd@z Thu Jan 1 00:00:00 1970 MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit From: Roland McGrath Subject: Re: kernel warning: tried to kill an mm-less task! In-Reply-To: Oleg Nesterov's message of Tuesday, 15 April 2008 10:17:16 +0400 <20080415061716.GA89@tv-sign.ru> References: <4803030D.3070906@cn.fujitsu.com> <48030F69.7040801@linux.vnet.ibm.com> <48031090.5050002@cn.fujitsu.com> <48042539.8050009@cn.fujitsu.com> <20080415061716.GA89@tv-sign.ru> Message-Id: <20080415205830.2BA4B26FA5E@magilla.localdomain> Date: Tue, 15 Apr 2008 13:58:30 -0700 (PDT) Sender: owner-linux-mm@kvack.org Return-Path: To: Oleg Nesterov Cc: Li Zefan , balbir@linux.vnet.ibm.com, "linux-mm@kvack.org" , LKML , Andrew Morton , KAMEZAWA Hiroyuki , Pavel Emelianov List-ID: > Roland, what do you think about the coredump? Looks like we have the ancient > bug, zap_threads() can hit the kernel thread. I think you're right. But I've never known much about the ->mm maintenance code or the aio use_mm logic. So I'm just going from a quick glance. (That part of the zap_threads() logic predates you or I fiddling with it.) Thanks, Roland -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@kvack.org. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: email@kvack.org