Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752883Ab1CIGNT (ORCPT ); Wed, 9 Mar 2011 01:13:19 -0500 Received: from fgwmail5.fujitsu.co.jp ([192.51.44.35]:42581 "EHLO fgwmail5.fujitsu.co.jp" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752491Ab1CIGNS (ORCPT ); Wed, 9 Mar 2011 01:13:18 -0500 X-SecurityPolicyCheck-FJ: OK by FujitsuOutboundMailChecker v1.3.1 Date: Wed, 9 Mar 2011 15:06:56 +0900 From: KAMEZAWA Hiroyuki To: Andrew Vagin Cc: Andrew Morton , Minchan Kim , Andrey Vagin , Mel Gorman , KOSAKI Motohiro , linux-mm@kvack.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH] mm: check zone->all_unreclaimable in all_unreclaimable() Message-Id: <20110309150656.c7128fdd.kamezawa.hiroyu@jp.fujitsu.com> In-Reply-To: <4D75E4E6.9020507@gmail.com> References: <1299325456-2687-1-git-send-email-avagin@openvz.org> <20110305152056.GA1918@barrios-desktop> <4D72580D.4000208@gmail.com> <20110305155316.GB1918@barrios-desktop> <4D7267B6.6020406@gmail.com> <20110305170759.GC1918@barrios-desktop> <20110307135831.9e0d7eaa.akpm@linux-foundation.org> <20110308094438.1ba05ed2.kamezawa.hiroyu@jp.fujitsu.com> <4D75E4E6.9020507@gmail.com> Organization: FUJITSU Co. LTD. X-Mailer: Sylpheed 3.1.0 (GTK+ 2.10.14; i686-pc-mingw32) Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1105 Lines: 30 On Tue, 08 Mar 2011 11:12:22 +0300 Andrew Vagin wrote: > Hi, All > > I agree with Minchan and can't think this is a real fix.... > > Andrey, I'm now trying your fix and it seems your fix for oom-killer, > > 'skip-zombie-process' works enough good for my environ. > > > > What is your enviroment ? number of cpus ? architecture ? size of memory ? > Processort: AMD Phenom(tm) II X6 1055T Processor (six-core) > Ram: 8Gb > RHEL6, x86_64. This host doesn't have swap. > Ok, thanks. "NO SWAP" is a big information ;) > It hangs up fast. Tomorrow I will have to send a processes state, if it > will be interesting for you. With my patch the kernel work fine. I added > debug and found that it hangs up in the described case. > I suppose that my patch may be incorrect, but the problem exists and we > should do something. > Thanks, -Kame -- 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/