linux-kernel - Re: [PATCH 13/34] mm, vmscan: make shrink

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Date:	Wed, 13 Jul 2016 09:48:13 +0100
From:	Mel Gorman <mgorman@...hsingularity.net>
To:	Johannes Weiner <hannes@...xchg.org>
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 13/34] mm, vmscan: make shrink_node decisions more
 node-centric

On Tue, Jul 12, 2016 at 10:32:34AM -0400, Johannes Weiner wrote:
> On Fri, Jul 08, 2016 at 10:34:49AM +0100, Mel Gorman wrote:
> > Earlier patches focused on having direct reclaim and kswapd use data that
> > is node-centric for reclaiming but shrink_node() itself still uses too
> > much zone information.  This patch removes unnecessary zone-based
> > information with the most important decision being whether to continue
> > reclaim or not.  Some memcg APIs are adjusted as a result even though
> > memcg itself still uses some zone information.
> > 
> > Signed-off-by: Mel Gorman <mgorman@...hsingularity.net>
> > Acked-by: Michal Hocko <mhocko@...e.com>
> > Acked-by: Vlastimil Babka <vbabka@...e.cz>
> 
> Acked-by: Johannes Weiner <hannes@...xchg.org>
> 
> Second half of the memcg conversion is in the next patch. Ok.

Yeah. I know it bumps the patch count but the combined patch is a headache
to read.

-- 
Mel Gorman
SUSE Labs