From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail202.messagelabs.com (mail202.messagelabs.com [216.82.254.227]) by kanga.kvack.org (Postfix) with SMTP id 8FBAF6B009D for ; Thu, 4 Mar 2010 20:02:30 -0500 (EST) Received: from m5.gw.fujitsu.co.jp ([10.0.50.75]) by fgwmail6.fujitsu.co.jp (Fujitsu Gateway) with ESMTP id o2512S4e006159 for (envelope-from kamezawa.hiroyu@jp.fujitsu.com); Fri, 5 Mar 2010 10:02:28 +0900 Received: from smail (m5 [127.0.0.1]) by outgoing.m5.gw.fujitsu.co.jp (Postfix) with ESMTP id DC6C545DE51 for ; Fri, 5 Mar 2010 10:02:27 +0900 (JST) Received: from s5.gw.fujitsu.co.jp (s5.gw.fujitsu.co.jp [10.0.50.95]) by m5.gw.fujitsu.co.jp (Postfix) with ESMTP id BD26245DE4F for ; Fri, 5 Mar 2010 10:02:27 +0900 (JST) Received: from s5.gw.fujitsu.co.jp (localhost.localdomain [127.0.0.1]) by s5.gw.fujitsu.co.jp (Postfix) with ESMTP id A56891DB8043 for ; Fri, 5 Mar 2010 10:02:27 +0900 (JST) Received: from m105.s.css.fujitsu.com (m105.s.css.fujitsu.com [10.249.87.105]) by s5.gw.fujitsu.co.jp (Postfix) with ESMTP id 0E0021DB8038 for ; Fri, 5 Mar 2010 10:02:27 +0900 (JST) Date: Fri, 5 Mar 2010 09:58:53 +0900 From: KAMEZAWA Hiroyuki Subject: Re: [patch -mm v2 04/10] oom: remove special handling for pagefault ooms Message-Id: <20100305095853.d71dcad5.kamezawa.hiroyu@jp.fujitsu.com> In-Reply-To: References: <20100301052306.GG19665@balbir.in.ibm.com> <20100302085532.ff9d3cf4.kamezawa.hiroyu@jp.fujitsu.com> <20100303092210.a730a903.kamezawa.hiroyu@jp.fujitsu.com> <20100303094438.1e9b09fb.kamezawa.hiroyu@jp.fujitsu.com> <20100303095812.c3d47ee1.kamezawa.hiroyu@jp.fujitsu.com> <20100304125934.1d8118b0.kamezawa.hiroyu@jp.fujitsu.com> <20100304160016.dda8101a.kamezawa.hiroyu@jp.fujitsu.com> Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: owner-linux-mm@kvack.org To: David Rientjes Cc: Balbir Singh , Andrew Morton , Rik van Riel , Nick Piggin , KOSAKI Motohiro , linux-mm@kvack.org List-ID: On Thu, 4 Mar 2010 01:50:04 -0800 (PST) David Rientjes wrote: > On Thu, 4 Mar 2010, KAMEZAWA Hiroyuki wrote: > > > About the _changes_ for generic part itself, I have no concerns. > > > > Is that your acked-by? > Anyway, I think you'll repost. I'll see again. feel free to CC me. > > But I'm not sure whether TIF_MEMDIE task has been already killed (quit tasklist) > > before VM_FAULT_OOM task comes here. > > > > If it's no longer a member of the tasklist then it has freed its memory > and thus returning VM_FAULT_OOM again would mean that we are still oom. > My concern was multi-threaded task with ignoring SIGCHLD..but after looking into page allocatoer again, I think you're right. Thanks. Thanks, -Kame -- 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