linux-kernel - Re: [-mm PATCH 8/9] Memory controller add switch to control what type of pages to limit (v4)

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Message-Id: <20070813060427.0334E1BF9D8@siro.lan>
Date:	Mon, 13 Aug 2007 15:04:26 +0900 (JST)
From:	yamamoto@...inux.co.jp (YAMAMOTO Takashi)
To:	balbir@...ux.vnet.ibm.com
Cc:	akpm@...ux-foundation.org, a.p.zijlstra@...llo.nl,
	dhaval@...ux.vnet.ibm.com, linux-kernel@...r.kernel.org,
	linux-mm@...ck.org, ebiederm@...ssion.com,
	containers@...ts.osdl.org, menage@...gle.com, xemul@...nvz.org
Subject: Re: [-mm PATCH 8/9] Memory controller add switch to control what
 type of pages to limit (v4)

> YAMAMOTO Takashi wrote:
> >> 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.
> > 
> 
> Thanks, I'll fix the comment on the top.
> 
> > YAMAMOTO Takashi
> > 
> >> +enum {
> >> +	MEM_CONTAINER_TYPE_UNSPEC = 0,
> >> +	MEM_CONTAINER_TYPE_MAPPED,
> >> +	MEM_CONTAINER_TYPE_CACHED,

what's MEM_CONTAINER_TYPE_CACHED, btw?
it seems that nothing distinguishes it from MEM_CONTAINER_TYPE_MAPPED.

YAMAMOTO Takashi
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