Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753371AbaLHJQi (ORCPT ); Mon, 8 Dec 2014 04:16:38 -0500 Received: from cantor2.suse.de ([195.135.220.15]:51288 "EHLO mx2.suse.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752111AbaLHJQg (ORCPT ); Mon, 8 Dec 2014 04:16:36 -0500 Message-ID: <54856C72.4040705@suse.cz> Date: Mon, 08 Dec 2014 10:16:34 +0100 From: Vlastimil Babka User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:31.0) Gecko/20100101 Thunderbird/31.2.0 MIME-Version: 1.0 To: Joonsoo Kim , Andrew Morton CC: Mel Gorman , David Rientjes , Rik van Riel , linux-mm@kvack.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH 0/4] enhance compaction success rate References: <1418022980-4584-1-git-send-email-iamjoonsoo.kim@lge.com> In-Reply-To: <1418022980-4584-1-git-send-email-iamjoonsoo.kim@lge.com> 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 12/08/2014 08:16 AM, Joonsoo Kim wrote: > This patchset aims at increase of compaction success rate. Changes are > related to compaction finish condition and freepage isolation condition. > > From these changes, I did stress highalloc test in mmtests with nonmovable > order 7 allocation configuration, and success rate (%) at phase 1 are, > > Base Patch-1 Patch-3 Patch-4 > 55.00 57.00 62.67 64.00 > > And, compaction success rate (%) on same test are, > > Base Patch-1 Patch-3 Patch-4 > 18.47 28.94 35.13 41.50 Did you test Patch-2 separately? Any difference to Patch 1? > This patchset is based on my tracepoint update on compaction. > > https://lkml.org/lkml/2014/12/3/71 > > Joonsoo Kim (4): > mm/compaction: fix wrong order check in compact_finished() > mm/page_alloc: expands broken freepage to proper buddy list when > steal > mm/compaction: enhance compaction finish condition > mm/compaction: stop the isolation when we isolate enough freepage > > include/linux/mmzone.h | 3 ++ > include/trace/events/kmem.h | 7 +++-- > mm/compaction.c | 48 ++++++++++++++++++++++------ > mm/internal.h | 1 + > mm/page_alloc.c | 73 +++++++++++++++++++++++++------------------ > 5 files changed, 89 insertions(+), 43 deletions(-) > -- 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/