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Date: Mon, 18 Jul 2016 12:14:02 -0400
From: Johannes Weiner <hannes@cmpxchg.org>
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>
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In-Reply-To: <1468853426-12858-4-git-send-email-mgorman@techsingularity.net>
Sender: owner-linux-mm@kvack.org
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To: Mel Gorman <mgorman@techsingularity.net>
Cc: Andrew Morton <akpm@linux-foundation.org>, Minchan Kim <minchan@kernel.org>, Vlastimil Babka <vbabka@suse.cz>, Linux-MM <linux-mm@kvack.org>, LKML <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 <mgorman@techsingularity.net>

Acked-by: Johannes Weiner <hannes@cmpxchg.org>

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