From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail143.messagelabs.com (mail143.messagelabs.com [216.82.254.35]) by kanga.kvack.org (Postfix) with SMTP id 3D1776B02A3 for ; Mon, 12 Jul 2010 20:14:22 -0400 (EDT) Received: from m5.gw.fujitsu.co.jp ([10.0.50.75]) by fgwmail5.fujitsu.co.jp (Fujitsu Gateway) with ESMTP id o6D0EIpn027249 for (envelope-from kosaki.motohiro@jp.fujitsu.com); Tue, 13 Jul 2010 09:14:18 +0900 Received: from smail (m5 [127.0.0.1]) by outgoing.m5.gw.fujitsu.co.jp (Postfix) with ESMTP id A458C45DE51 for ; Tue, 13 Jul 2010 09:14:18 +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 7946A45DE56 for ; Tue, 13 Jul 2010 09:14:18 +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 573461DB8038 for ; Tue, 13 Jul 2010 09:14:18 +0900 (JST) Received: from ml13.s.css.fujitsu.com (ml13.s.css.fujitsu.com [10.249.87.103]) by s5.gw.fujitsu.co.jp (Postfix) with ESMTP id C71AE1DB805A for ; Tue, 13 Jul 2010 09:14:17 +0900 (JST) From: KOSAKI Motohiro Subject: Re: FYI: mmap_sem OOM patch In-Reply-To: References: <20100708200324.CD4B.A69D9226@jp.fujitsu.com> Message-Id: <20100713091333.EA3E.A69D9226@jp.fujitsu.com> MIME-Version: 1.0 Content-Type: text/plain; charset="US-ASCII" Content-Transfer-Encoding: 7bit Date: Tue, 13 Jul 2010 09:14:17 +0900 (JST) Sender: owner-linux-mm@kvack.org To: David Rientjes Cc: kosaki.motohiro@jp.fujitsu.com, Peter Zijlstra , Michel Lespinasse , linux-mm , LKML , Divyesh Shah , Ingo Molnar List-ID: > On Thu, 8 Jul 2010, KOSAKI Motohiro wrote: > > > I disagree. __GFP_NOFAIL mean this allocation failure can makes really > > dangerous result. Instead, OOM-Killer should try to kill next process. > > I think. > > > > That's not what happens, __alloc_pages_high_priority() will loop forever > for __GFP_NOFAIL, the oom killer is never recalled. Yup, please reread the discusstion. -- 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