From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754593AbYEFGo4 (ORCPT ); Tue, 6 May 2008 02:44:56 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751195AbYEFGor (ORCPT ); Tue, 6 May 2008 02:44:47 -0400 Received: from fgwmail6.fujitsu.co.jp ([192.51.44.36]:38013 "EHLO fgwmail6.fujitsu.co.jp" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751123AbYEFGoq (ORCPT ); Tue, 6 May 2008 02:44:46 -0400 Date: Tue, 06 May 2008 15:43:39 +0900 From: KOSAKI Motohiro To: balbir@linux.vnet.ibm.com Subject: Re: on CONFIG_MM_OWNER=y, kernel panic is possible. Cc: kosaki.motohiro@jp.fujitsu.com, Lee Schermerhorn , KAMEZAWA Hiroyuki , LKML , linux-mm , Andrew Morton In-Reply-To: <481FFAAB.3030008@linux.vnet.ibm.com> References: <20080506151510.AC66.KOSAKI.MOTOHIRO@jp.fujitsu.com> <481FFAAB.3030008@linux.vnet.ibm.com> Message-Id: <20080506153943.AC69.KOSAKI.MOTOHIRO@jp.fujitsu.com> MIME-Version: 1.0 Content-Type: text/plain; charset="US-ASCII" Content-Transfer-Encoding: 7bit X-Mailer: Becky! ver. 2.42 [ja] Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org > > #ifdef CONFIG_MM_OWNER > > - struct task_struct *owner; /* The thread group leader that */ > > - /* owns the mm_struct. */ > > + struct task_struct *owner; /* point to one of task that owns the mm_struct. */ > > #endif > > > > #ifdef CONFIG_PROC_FS > > How about just, the task that owns the mm_struct? One of, implies multiple owners. Ah, below is better? /* point to any one of task that related the mm_struct. */ my intention is only remove "thread group leader" word. other things, I obey your favor. Cheers!