From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-pd0-f176.google.com (mail-pd0-f176.google.com [209.85.192.176]) by kanga.kvack.org (Postfix) with ESMTP id 30CC06B0038 for ; Mon, 8 Dec 2014 02:12:42 -0500 (EST) Received: by mail-pd0-f176.google.com with SMTP id y10so4624377pdj.21 for ; Sun, 07 Dec 2014 23:12:41 -0800 (PST) Received: from lgeamrelo01.lge.com (lgeamrelo01.lge.com. [156.147.1.125]) by mx.google.com with ESMTP id pm2si55415579pdb.18.2014.12.07.23.12.39 for ; Sun, 07 Dec 2014 23:12:41 -0800 (PST) From: Joonsoo Kim Subject: [PATCH 0/4] enhance compaction success rate Date: Mon, 8 Dec 2014 16:16:16 +0900 Message-Id: <1418022980-4584-1-git-send-email-iamjoonsoo.kim@lge.com> Sender: owner-linux-mm@kvack.org List-ID: To: Andrew Morton Cc: Vlastimil Babka , Mel Gorman , David Rientjes , Rik van Riel , linux-mm@kvack.org, linux-kernel@vger.kernel.org, Joonsoo Kim 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 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(-) -- 1.7.9.5 -- 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