linux-kernel - Re: [PATCH][for -mm] per-zone and reclaim enhancements for memory controller take 3 [3/10] per-zone active inactive counter

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Message-Id: <20071129033328.20E5F1CFEAA@siro.lan>
Date:	Thu, 29 Nov 2007 12:33:28 +0900 (JST)
From:	yamamoto@...inux.co.jp (YAMAMOTO Takashi)
To:	kamezawa.hiroyu@...fujitsu.com
Cc:	linux-kernel@...r.kernel.org, linux-mm@...ck.org,
	containers@...ts.osdl.org, akpm@...ux-foundation.org,
	balbir@...ux.vnet.ibm.com
Subject: Re: [PATCH][for -mm] per-zone and reclaim enhancements for memory
 controller take 3 [3/10] per-zone active inactive counter

> +static inline struct mem_cgroup_per_zone *
> +mem_cgroup_zoneinfo(struct mem_cgroup *mem, int nid, int zid)
> +{
> +	if (!mem->info.nodeinfo[nid])

can this be true?

YAMAMOTO Takashi

> +		return NULL;
> +	return &mem->info.nodeinfo[nid]->zoneinfo[zid];
> +}
> +
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