Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1946215Ab2EKV0n (ORCPT ); Fri, 11 May 2012 17:26:43 -0400 Received: from mail-qa0-f46.google.com ([209.85.216.46]:52721 "EHLO mail-qa0-f46.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754695Ab2EKV0m (ORCPT ); Fri, 11 May 2012 17:26:42 -0400 Message-ID: <4FAD840D.9020009@gmail.com> Date: Fri, 11 May 2012 17:26:37 -0400 From: KOSAKI Motohiro User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.7; rv:12.0) Gecko/20120428 Thunderbird/12.0.1 MIME-Version: 1.0 To: Aaditya Kumar CC: linux-kernel@vger.kernel.org, kosaki.motohiro@gmail.com, frank.rowand@am.sony.com, tim.bird@am.sony.com, takuzo.ohara@ap.sony.com, kan.iibuchi@jp.sony.com, kosaki.motohiro@jp.fujitsu.com Subject: Re: [RFC][PATCH] mm: Update zone->un_reclaimable in direct reclaim path References: In-Reply-To: Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 827 Lines: 21 (5/11/12 4:35 AM), Aaditya Kumar wrote: > Dear All, > > Commit 929bea7c714220fc76ce3f75bef9056477c28e74 seems to have broken the > OOM invocation during memory hot unplug in low memory conditions. This commit > modifies the 'un-reclaimabilty check' for giving up trying to > reclaim pages in the > direct reclaim path and invoke OOM killer to be based on zone->unreclaimable. Today I don't have a time and I didn't read your patch. but I would say my patch passed my hotplug test. so can you please tell us your test case and reproducer? I'll look into closely later. -- 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/