From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752223AbcGRX7K (ORCPT ); Mon, 18 Jul 2016 19:59:10 -0400 Received: from LGEAMRELO11.lge.com ([156.147.23.51]:56590 "EHLO lgeamrelo11.lge.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751767AbcGRX7J (ORCPT ); Mon, 18 Jul 2016 19:59:09 -0400 X-Original-SENDERIP: 156.147.1.127 X-Original-MAILFROM: minchan@kernel.org X-Original-SENDERIP: 165.244.98.203 X-Original-MAILFROM: minchan@kernel.org X-Original-SENDERIP: 10.177.223.161 X-Original-MAILFROM: minchan@kernel.org Date: Tue, 19 Jul 2016 08:59:19 +0900 From: Minchan Kim To: Mel Gorman CC: Andrew Morton , Johannes Weiner , Vlastimil Babka , Linux-MM , LKML Subject: Re: [PATCH 3/3] mm, vmstat: remove zone and node double accounting by approximating retries -fix Message-ID: <20160718235919.GC9161@bbox> References: <1468853426-12858-1-git-send-email-mgorman@techsingularity.net> <1468853426-12858-4-git-send-email-mgorman@techsingularity.net> MIME-Version: 1.0 In-Reply-To: <1468853426-12858-4-git-send-email-mgorman@techsingularity.net> User-Agent: Mutt/1.5.21 (2010-09-15) X-MIMETrack: Itemize by SMTP Server on LGEKRMHUB03/LGE/LG Group(Release 8.5.3FP6|November 21, 2013) at 2016/07/19 08:59:05, Serialize by Router on LGEKRMHUB03/LGE/LG Group(Release 8.5.3FP6|November 21, 2013) at 2016/07/19 08:59:05, Serialize complete at 2016/07/19 08:59:05 Content-Type: text/plain; charset="us-ascii" Content-Disposition: inline Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Mon, Jul 18, 2016 at 03:50:26PM +0100, Mel Gorman wrote: > As pointed out by Vlastimil, the atomic_add() functions are already assumed > to be able to handle negative numbers. The atomic_sub handling was wrong > anyway but this patch fixes it unconditionally. > > This is a fix to the mmotm patch > mm-vmstat-remove-zone-and-node-double-accounting-by-approximating-retries.patch > > Signed-off-by: Mel Gorman Acked-by: Minchan Kim