From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752000AbcGRQOK (ORCPT ); Mon, 18 Jul 2016 12:14:10 -0400 Received: from gum.cmpxchg.org ([85.214.110.215]:53258 "EHLO gum.cmpxchg.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751590AbcGRQOJ (ORCPT ); Mon, 18 Jul 2016 12:14:09 -0400 Date: Mon, 18 Jul 2016 12:14:02 -0400 From: Johannes Weiner To: Mel Gorman Cc: Andrew Morton , Minchan Kim , Vlastimil Babka , Linux-MM , LKML Subject: Re: [PATCH 3/3] mm, vmstat: remove zone and node double accounting by approximating retries -fix Message-ID: <20160718161402.GC16465@cmpxchg.org> References: <1468853426-12858-1-git-send-email-mgorman@techsingularity.net> <1468853426-12858-4-git-send-email-mgorman@techsingularity.net> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1468853426-12858-4-git-send-email-mgorman@techsingularity.net> User-Agent: Mutt/1.6.2 (2016-07-01) 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: Johannes Weiner