To: balbir@linux.vnet.ibm.com
Cc: akpm@linux-foundation.org, a.p.zijlstra@chello.nl,
       dhaval@linux.vnet.ibm.com, linux-kernel@vger.kernel.org,
       linux-mm@kvack.org, ebiederm@xmission.com, containers@lists.osdl.org,
       menage@google.com, xemul@openvz.org
Subject: Re: [-mm PATCH 8/9] Memory controller add switch to control what type
	of pages to limit (v4)
In-Reply-To: Your message of "Sat, 28 Jul 2007 01:41:03 +0530"
	<20070727201103.31565.3104.sendpatchset@balbir-laptop>
References: <20070727201103.31565.3104.sendpatchset@balbir-laptop>
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Date: Mon, 13 Aug 2007 09:33:48 +0900 (JST)
From: yamamoto@valinux.co.jp (YAMAMOTO Takashi)
Sender: linux-kernel-owner@vger.kernel.org
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> Choose if we want cached pages to be accounted or not. By default both
> are accounted for. A new set of tunables are added.
> 
> echo -n 1 > mem_control_type
> 
> switches the accounting to account for only mapped pages
> 
> echo -n 2 > mem_control_type
> 
> switches the behaviour back

MEM_CONTAINER_TYPE_ALL is 3, not 2.

YAMAMOTO Takashi

> +enum {
> +	MEM_CONTAINER_TYPE_UNSPEC = 0,
> +	MEM_CONTAINER_TYPE_MAPPED,
> +	MEM_CONTAINER_TYPE_CACHED,
> +	MEM_CONTAINER_TYPE_ALL,
> +	MEM_CONTAINER_TYPE_MAX,
> +} mem_control_type;
> +
> +static struct mem_container init_mem_container;

> +	mem = rcu_dereference(mm->mem_container);
> +	if (mem->control_type == MEM_CONTAINER_TYPE_ALL)
> +		return mem_container_charge(page, mm);
> +	else
> +		return 0;
-
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