From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-lf0-f72.google.com (mail-lf0-f72.google.com [209.85.215.72]) by kanga.kvack.org (Postfix) with ESMTP id 63AFA6B0253 for ; Tue, 10 May 2016 11:14:04 -0400 (EDT) Received: by mail-lf0-f72.google.com with SMTP id 68so13578261lfq.2 for ; Tue, 10 May 2016 08:14:04 -0700 (PDT) Received: from mx2.suse.de (mx2.suse.de. [195.135.220.15]) by mx.google.com with ESMTPS id r64si3702920wme.10.2016.05.10.08.14.02 for (version=TLS1 cipher=AES128-SHA bits=128/128); Tue, 10 May 2016 08:14:03 -0700 (PDT) Subject: Re: [PATCH 4/6] mm/page_owner: introduce split_page_owner and replace manual handling References: <1462252984-8524-1-git-send-email-iamjoonsoo.kim@lge.com> <1462252984-8524-5-git-send-email-iamjoonsoo.kim@lge.com> From: Vlastimil Babka Message-ID: <5731FABA.8070308@suse.cz> Date: Tue, 10 May 2016 17:14:02 +0200 MIME-Version: 1.0 In-Reply-To: <1462252984-8524-5-git-send-email-iamjoonsoo.kim@lge.com> Content-Type: text/plain; charset=utf-8; format=flowed Content-Transfer-Encoding: 7bit Sender: owner-linux-mm@kvack.org List-ID: To: js1304@gmail.com, Andrew Morton Cc: mgorman@techsingularity.net, Minchan Kim , Alexander Potapenko , linux-mm@kvack.org, linux-kernel@vger.kernel.org, Joonsoo Kim On 05/03/2016 07:23 AM, js1304@gmail.com wrote: > From: Joonsoo Kim > > split_page() calls set_page_owner() to set up page_owner to each pages. > But, it has a drawback that head page and the others have different > stacktrace because callsite of set_page_owner() is slightly differnt. > To avoid this problem, this patch copies head page's page_owner to > the others. It needs to introduce new function, split_page_owner() but > it also remove the other function, get_page_owner_gfp() so looks good > to do. OK. Acked-by: Vlastimil Babka -- 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