Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754360AbcCBPWr (ORCPT ); Wed, 2 Mar 2016 10:22:47 -0500 Received: from mx2.suse.de ([195.135.220.15]:34342 "EHLO mx2.suse.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751682AbcCBPWq (ORCPT ); Wed, 2 Mar 2016 10:22:46 -0500 Subject: Re: [PATCH v2 4/5] mm, kswapd: replace kswapd compaction with waking up kcompactd To: Joonsoo Kim , Andrew Morton References: <1454938691-2197-1-git-send-email-vbabka@suse.cz> <1454938691-2197-5-git-send-email-vbabka@suse.cz> <20160302063322.GB32695@js1304-P5Q-DELUXE> <56D6BACB.7060005@suse.cz> <56D6F41D.9080107@suse.cz> <56D6FB77.2090801@suse.cz> Cc: Joonsoo Kim , Linux Memory Management List , LKML , Andrea Arcangeli , "Kirill A. Shutemov" , Rik van Riel , Mel Gorman , David Rientjes , Michal Hocko , Johannes Weiner From: Vlastimil Babka Message-ID: <56D70543.60806@suse.cz> Date: Wed, 2 Mar 2016 16:22:43 +0100 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:38.0) Gecko/20100101 Thunderbird/38.6.0 MIME-Version: 1.0 In-Reply-To: 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 Content-Length: 920 Lines: 24 On 03/02/2016 03:59 PM, Joonsoo Kim wrote: > 2016-03-02 23:40 GMT+09:00 Vlastimil Babka : >> On 03/02/2016 03:22 PM, Joonsoo Kim wrote: >> >> So I understand that patch 5 would be just about this? >> >> - if (compaction_restarting(zone, cc->order) && !current_is_kcompactd()) >> + if (compaction_restarting(zone, cc->order)) >> __reset_isolation_suitable(zone); > > Yeah, you understand correctly. :) > >> I'm more inclined to fold it in that case. > > Patch would be just simple, but, I guess it would cause some difference > in test result. But, I'm okay for folding. Thanks. Andrew, should I send now patch folding patch 4/5 and 5/5 with all the accumulated fixlets (including those I sent earlier today) and combined changelog, or do you want to apply the new fixlets separately first and let them sit for a week or so? In any case, sorry for the churn. > Thanks. >