From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-wi0-f173.google.com (mail-wi0-f173.google.com [209.85.212.173]) by kanga.kvack.org (Postfix) with ESMTP id 7B9F16B0256 for ; Fri, 31 Jul 2015 11:31:02 -0400 (EDT) Received: by wibud3 with SMTP id ud3so36742588wib.0 for ; Fri, 31 Jul 2015 08:31:02 -0700 (PDT) Received: from mx2.suse.de (mx2.suse.de. [195.135.220.15]) by mx.google.com with ESMTPS id o6si6064882wia.60.2015.07.31.08.31.00 for (version=TLSv1 cipher=ECDHE-RSA-RC4-SHA bits=128/128); Fri, 31 Jul 2015 08:31:00 -0700 (PDT) Subject: Re: [PATCH v2 0/5] Assorted compaction cleanups and optimizations References: <1438356487-7082-1-git-send-email-vbabka@suse.cz> From: Vlastimil Babka Message-ID: <55BB94B3.7090603@suse.cz> Date: Fri, 31 Jul 2015 17:30:59 +0200 MIME-Version: 1.0 In-Reply-To: <1438356487-7082-1-git-send-email-vbabka@suse.cz> Content-Type: text/plain; charset=utf-8; format=flowed Content-Transfer-Encoding: 7bit Sender: owner-linux-mm@kvack.org List-ID: To: Andrew Morton , linux-mm@kvack.org Cc: linux-kernel@vger.kernel.org, Christoph Lameter , David Rientjes , Joonsoo Kim , Mel Gorman , Michal Nazarewicz , Minchan Kim , Naoya Horiguchi , Rik van Riel On 07/31/2015 05:28 PM, Vlastimil Babka wrote: > v2 changes: > - dropped Patch 6 as adjusting to Joonsoo's objection would be too > complicated and the results didn't justify it > - don't check for compound order > 0 in patches 4 and 5 as suggested by > Michal Nazarewicz. Negative values are handled by converting to unsinged > int, the pfn calculations work fine with 0 and it's unlikely to see 0 > due to a race when we just checked PageCompound(). ah, also patch 3 calls reset_cached_positions() from __reset_isolation_suitable() as v1 missed a callsite by doing it separately (spotted by Joonsoo) -- 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