From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-wi0-f178.google.com (mail-wi0-f178.google.com [209.85.212.178]) by kanga.kvack.org (Postfix) with ESMTP id D46D06B0071 for ; Mon, 8 Dec 2014 04:16:36 -0500 (EST) Received: by mail-wi0-f178.google.com with SMTP id em10so4113643wid.5 for ; Mon, 08 Dec 2014 01:16:36 -0800 (PST) Received: from mx2.suse.de (cantor2.suse.de. [195.135.220.15]) by mx.google.com with ESMTPS id q3si8933148wiy.51.2014.12.08.01.16.35 for (version=TLSv1 cipher=ECDHE-RSA-RC4-SHA bits=128/128); Mon, 08 Dec 2014 01:16:35 -0800 (PST) Message-ID: <54856C72.4040705@suse.cz> Date: Mon, 08 Dec 2014 10:16:34 +0100 From: Vlastimil Babka MIME-Version: 1.0 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: owner-linux-mm@kvack.org List-ID: To: Joonsoo Kim , Andrew Morton Cc: Mel Gorman , David Rientjes , Rik van Riel , linux-mm@kvack.org, 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, 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