From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S934577AbcI2VGS (ORCPT ); Thu, 29 Sep 2016 17:06:18 -0400 Received: from mx2.suse.de ([195.135.220.15]:35844 "EHLO mx2.suse.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S934130AbcI2VF6 (ORCPT ); Thu, 29 Sep 2016 17:05:58 -0400 From: Vlastimil Babka To: Johannes Weiner Cc: Mel Gorman , Joonsoo Kim , linux-kernel@vger.kernel.org, linux-mm@kvack.org, kernel-team@fb.com, Vlastimil Babka Subject: [RFC 0/4] try to reduce fragmenting fallbacks Date: Thu, 29 Sep 2016 23:05:44 +0200 Message-Id: <20160929210548.26196-1-vbabka@suse.cz> X-Mailer: git-send-email 2.10.0 In-Reply-To: <20160928014148.GA21007@cmpxchg.org> References: <20160928014148.GA21007@cmpxchg.org> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hi Johannes, here's something quick to try or ponder about. However, untested since it's too late here. Based on mmotm-2016-09-27-16-08 plus this fix [1] [1] http://lkml.kernel.org/r/ Vlastimil Babka (4): mm, compaction: change migrate_async_suitable() to suitable_migration_source() mm, compaction: add migratetype to compact_control mm, compaction: restrict async compaction to matching migratetype mm, page_alloc: disallow migratetype fallback in fastpath include/linux/mmzone.h | 5 +++++ mm/compaction.c | 41 +++++++++++++++++++++++++---------------- mm/internal.h | 2 ++ mm/page_alloc.c | 34 +++++++++++++++++++++++----------- 4 files changed, 55 insertions(+), 27 deletions(-) -- 2.10.0