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

Balbir Singh balbir at linux.vnet.ibm.com
Sun Aug 12 23:17:03 PDT 2007


YAMAMOTO Takashi wrote:
>> 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.
> 

The important types are currently MEM_CONTAINER_TYPE_MAPPED and MEM_CONTAINER_TYPE_ALL.
I added the types for future use (may be for finer accounting of types, later).

> YAMAMOTO Takashi


-- 
	Warm Regards,
	Balbir Singh
	Linux Technology Center
	IBM, ISTL


More information about the Containers mailing list