linux-kernel - Re: [PATCH 3/7] memcg: nid and zid can be calculated from zone

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Date:	Thu, 22 Jul 2010 12:01:54 +0100
From:	Mel Gorman <mel@....ul.ie>
To:	KOSAKI Motohiro <kosaki.motohiro@...fujitsu.com>
Cc:	LKML <linux-kernel@...r.kernel.org>, linux-mm <linux-mm@...ck.org>,
	Andrew Morton <akpm@...ux-foundation.org>,
	KAMEZAWA Hiroyuki <kamezawa.hiroyu@...fujitsu.com>,
	Nishimura Daisuke <d-nishimura@....biglobe.ne.jp>
Subject: Re: [PATCH 3/7] memcg: nid and zid can be calculated from zone

On Wed, Jul 21, 2010 at 10:33:56PM +0900, KOSAKI Motohiro wrote:
> > > +static inline int zone_nid(struct zone *zone)
> > > +{
> > > +	return zone->zone_pgdat->node_id;
> > > +}
> > > +
> > 
> > hmm, adding a helper and not converting the existing users of
> > zone->zone_pgdat may be a little confusing particularly as both types of
> > usage would exist in the same file e.g. in mem_cgroup_zone_nr_pages.
> 
> I see. here is incrementa patch.
> 

Looks grand. Thanks

> From 62cf765251af257c98fc92a58215d101d200e7ef Mon Sep 17 00:00:00 2001
> From: KOSAKI Motohiro <kosaki.motohiro@...fujitsu.com>
> Date: Tue, 20 Jul 2010 11:30:14 +0900
> Subject: [PATCH] memcg: convert to zone_nid() from bare zone->zone_pgdat->node_id
> 
> Now, we have zone_nid(). this patch convert all existing users of
> zone->zone_pgdat.
> 
> Signed-off-by: KOSAKI Motohiro <kosaki.motohiro@...fujitsu.com>
>
> <SNIP>

-- 
Mel Gorman
Part-time Phd Student                          Linux Technology Center
University of Limerick                         IBM Dublin Software Lab
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