From mboxrd@z Thu Jan 1 00:00:00 1970 From: riel@redhat.com (Rik van Riel) Date: Tue, 16 Oct 2012 08:52:03 -0400 Subject: [PATCH] mm: compaction: Correct the nr_strict_isolated check for CMA In-Reply-To: <20121016083927.GG29125@suse.de> References: <20121016083927.GG29125@suse.de> Message-ID: <507D5873.6010106@redhat.com> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org On 10/16/2012 04:39 AM, Mel Gorman wrote: > Thierry reported that the "iron out" patch for isolate_freepages_block() > had problems due to the strict check being too strict with "mm: compaction: > Iron out isolate_freepages_block() and isolate_freepages_range() -fix1". > It's possible that more pages than necessary are isolated but the check > still fails and I missed that this fix was not picked up before RC1. This > same problem has been identified in 3.7-RC1 by Tony Prisk and should be > addressed by the following patch. > > Signed-off-by: Mel Gorman > Tested-by: Tony Prisk Acked-by: Rik van Riel -- All rights reversed From mboxrd@z Thu Jan 1 00:00:00 1970 From: Rik van Riel Subject: Re: [PATCH] mm: compaction: Correct the nr_strict_isolated check for CMA Date: Tue, 16 Oct 2012 08:52:03 -0400 Message-ID: <507D5873.6010106@redhat.com> References: <20121016083927.GG29125@suse.de> Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit Cc: Andrew Morton , Richard Davies , Shaohua Li , Avi Kivity , Arnd Bergmann , QEMU-devel , KVM , Linux-MM , LKML , Arm Kernel Mailing List To: Mel Gorman Return-path: In-Reply-To: <20121016083927.GG29125@suse.de> Sender: owner-linux-mm@kvack.org List-Id: kvm.vger.kernel.org On 10/16/2012 04:39 AM, Mel Gorman wrote: > Thierry reported that the "iron out" patch for isolate_freepages_block() > had problems due to the strict check being too strict with "mm: compaction: > Iron out isolate_freepages_block() and isolate_freepages_range() -fix1". > It's possible that more pages than necessary are isolated but the check > still fails and I missed that this fix was not picked up before RC1. This > same problem has been identified in 3.7-RC1 by Tony Prisk and should be > addressed by the following patch. > > Signed-off-by: Mel Gorman > Tested-by: Tony Prisk Acked-by: Rik van Riel -- All rights reversed -- 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 From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754364Ab2JPMwa (ORCPT ); Tue, 16 Oct 2012 08:52:30 -0400 Received: from mx1.redhat.com ([209.132.183.28]:16741 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752789Ab2JPMw2 (ORCPT ); Tue, 16 Oct 2012 08:52:28 -0400 Message-ID: <507D5873.6010106@redhat.com> Date: Tue, 16 Oct 2012 08:52:03 -0400 From: Rik van Riel User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:15.0) Gecko/20120827 Thunderbird/15.0 MIME-Version: 1.0 To: Mel Gorman CC: Andrew Morton , Richard Davies , Shaohua Li , Avi Kivity , Arnd Bergmann , QEMU-devel , KVM , Linux-MM , LKML , Arm Kernel Mailing List Subject: Re: [PATCH] mm: compaction: Correct the nr_strict_isolated check for CMA References: <20121016083927.GG29125@suse.de> In-Reply-To: <20121016083927.GG29125@suse.de> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 10/16/2012 04:39 AM, Mel Gorman wrote: > Thierry reported that the "iron out" patch for isolate_freepages_block() > had problems due to the strict check being too strict with "mm: compaction: > Iron out isolate_freepages_block() and isolate_freepages_range() -fix1". > It's possible that more pages than necessary are isolated but the check > still fails and I missed that this fix was not picked up before RC1. This > same problem has been identified in 3.7-RC1 by Tony Prisk and should be > addressed by the following patch. > > Signed-off-by: Mel Gorman > Tested-by: Tony Prisk Acked-by: Rik van Riel -- All rights reversed From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([208.118.235.92]:40541) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1TO6dQ-00060i-Dz for qemu-devel@nongnu.org; Tue, 16 Oct 2012 08:52:42 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1TO6dG-0002fq-V4 for qemu-devel@nongnu.org; Tue, 16 Oct 2012 08:52:36 -0400 Received: from mx1.redhat.com ([209.132.183.28]:26639) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1TO6dG-0002en-Ll for qemu-devel@nongnu.org; Tue, 16 Oct 2012 08:52:26 -0400 Message-ID: <507D5873.6010106@redhat.com> Date: Tue, 16 Oct 2012 08:52:03 -0400 From: Rik van Riel MIME-Version: 1.0 References: <20121016083927.GG29125@suse.de> In-Reply-To: <20121016083927.GG29125@suse.de> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit Subject: Re: [Qemu-devel] [PATCH] mm: compaction: Correct the nr_strict_isolated check for CMA List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: Mel Gorman Cc: Richard Davies , KVM , Arnd Bergmann , QEMU-devel , LKML , Linux-MM , Avi Kivity , Andrew Morton , Shaohua Li , Arm Kernel Mailing List On 10/16/2012 04:39 AM, Mel Gorman wrote: > Thierry reported that the "iron out" patch for isolate_freepages_block() > had problems due to the strict check being too strict with "mm: compaction: > Iron out isolate_freepages_block() and isolate_freepages_range() -fix1". > It's possible that more pages than necessary are isolated but the check > still fails and I missed that this fix was not picked up before RC1. This > same problem has been identified in 3.7-RC1 by Tony Prisk and should be > addressed by the following patch. > > Signed-off-by: Mel Gorman > Tested-by: Tony Prisk Acked-by: Rik van Riel -- All rights reversed