linux-kernel - Re: [PATCH 23/34] mm: convert zone_reclaim to node

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Message-ID: <20160712172846.GC7307@cmpxchg.org>
Date:	Tue, 12 Jul 2016 13:28:46 -0400
From:	Johannes Weiner <hannes@...xchg.org>
To:	Mel Gorman <mgorman@...hsingularity.net>
Cc:	Andrew Morton <akpm@...ux-foundation.org>,
	Linux-MM <linux-mm@...ck.org>, Rik van Riel <riel@...riel.com>,
	Vlastimil Babka <vbabka@...e.cz>,
	Minchan Kim <minchan@...nel.org>,
	Joonsoo Kim <iamjoonsoo.kim@....com>,
	LKML <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 23/34] mm: convert zone_reclaim to node_reclaim

On Fri, Jul 08, 2016 at 10:34:59AM +0100, Mel Gorman wrote:
> As reclaim is now per-node based, convert zone_reclaim to be node_reclaim.
> It is possible that a node will be reclaimed multiple times if it has
> multiple zones but this is unavoidable without caching all nodes traversed
> so far.  The documentation and interface to userspace is the same from a
> configuration perspective and will will be similar in behaviour unless the
> node-local allocation requests were also limited to lower zones.
> 
> Signed-off-by: Mel Gorman <mgorman@...hsingularity.net>
> Acked-by: Vlastimil Babka <vbabka@...e.cz>

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