Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1759235Ab0FQBvk (ORCPT ); Wed, 16 Jun 2010 21:51:40 -0400 Received: from fgwmail6.fujitsu.co.jp ([192.51.44.36]:34272 "EHLO fgwmail6.fujitsu.co.jp" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756256Ab0FQBvh (ORCPT ); Wed, 16 Jun 2010 21:51:37 -0400 X-SecurityPolicyCheck-FJ: OK by FujitsuOutboundMailChecker v1.3.1 From: KOSAKI Motohiro To: Minchan Kim Subject: Re: [PATCH 6/9] oom: use same_thread_group instead comparing ->mm Cc: kosaki.motohiro@jp.fujitsu.com, LKML , linux-mm , Andrew Morton , David Rientjes , KAMEZAWA Hiroyuki , Oleg Nesterov In-Reply-To: <20100616151547.GF9278@barrios-desktop> References: <20100616203319.72E6.A69D9226@jp.fujitsu.com> <20100616151547.GF9278@barrios-desktop> Message-Id: <20100617084452.FB39.A69D9226@jp.fujitsu.com> MIME-Version: 1.0 Content-Type: text/plain; charset="ISO-2022-JP" Content-Transfer-Encoding: 7bit X-Mailer: Becky! ver. 2.50.07 [ja] Date: Thu, 17 Jun 2010 10:51:34 +0900 (JST) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 706 Lines: 20 > On Wed, Jun 16, 2010 at 08:34:02PM +0900, KOSAKI Motohiro wrote: > > Now, oom are using "child->mm != p->mm" check to distinguish subthread. > > But It's incorrect. vfork() child also have the same ->mm. > > > > This patch change to use same_thread_group() instead. > > Hmm. I think we don't use it to distinguish subthread. > We use it for finding child process which is not vforked. > > I can't understand your point. Thank you. my fault. respin. -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/