Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753021AbcD2J3l (ORCPT ); Fri, 29 Apr 2016 05:29:41 -0400 Received: from mail-wm0-f44.google.com ([74.125.82.44]:37787 "EHLO mail-wm0-f44.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752953AbcD2J3i (ORCPT ); Fri, 29 Apr 2016 05:29:38 -0400 Date: Fri, 29 Apr 2016 11:29:36 +0200 From: Michal Hocko To: Aaron Lu Cc: "Huang, Ying" , kernel test robot , Stephen Rothwell , Tetsuo Handa , Hillf Danton , LKML , Johannes Weiner , Mel Gorman , David Rientjes , Andrew Morton , lkp@01.org, KAMEZAWA Hiroyuki , linux-mm@kvack.org Subject: Re: [LKP] [lkp] [mm, oom] faad2185f4: vm-scalability.throughput -11.8% regression Message-ID: <20160429092936.GE21977@dhcp22.suse.cz> References: <20160427073617.GA2179@dhcp22.suse.cz> <87fuu7iht0.fsf@yhuang-dev.intel.com> <20160427083733.GE2179@dhcp22.suse.cz> <87bn4vigpc.fsf@yhuang-dev.intel.com> <20160427091718.GG2179@dhcp22.suse.cz> <20160428051659.GA10843@aaronlu.sh.intel.com> <20160428085702.GB31489@dhcp22.suse.cz> <20160428112135.GD31489@dhcp22.suse.cz> <20160429085937.GA20922@aaronlu.sh.intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20160429085937.GA20922@aaronlu.sh.intel.com> User-Agent: Mutt/1.5.24 (2015-08-30) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 880 Lines: 25 On Fri 29-04-16 16:59:37, Aaron Lu wrote: > On Thu, Apr 28, 2016 at 01:21:35PM +0200, Michal Hocko wrote: > > All of them are order-2 and this was a known problem for "mm, oom: > > rework oom detection" commit and later should make it much more > > resistant to failures for higher (!costly) orders. So I would definitely > > encourage you to retest with the current _complete_ mmotm tree. > > OK, will run the test on this branch: > https://git.kernel.org/pub/scm/linux/kernel/git/mhocko/mm.git since-4.5 > with head commit: > commit 81cc2e6f1e8bd81ebc7564a3cd3797844ee1712e > Author: Michal Hocko > Date: Thu Apr 28 12:03:24 2016 +0200 > > drm/amdgpu: make amdgpu_mn_get wait for mmap_sem killable > > Please let me know if this isn't right. Yes that should contain all the oom related patches in the mmotm tree. Thanks! -- Michal Hocko SUSE Labs