Re: [RFC][1/3] Add user interface for virtual address space control (v2)

[Balbir Singh <balbir@linux.vnet.ibm.com>]

Pavel Emelyanov wrote:
> KAMEZAWA Hiroyuki wrote:
>> On Thu, 27 Mar 2008 00:20:06 +0530
>> Balbir Singh <balbir@linux.vnet.ibm.com> wrote:
>>
>>> Add as_usage_in_bytes and as_limit_in_bytes interfaces. These provide
>>> control over the total address space that the processes combined together
>>> in the cgroup can grow upto. This functionality is analogous to
>>> the RLIMIT_AS function of the getrlimit(2) and setrlimit(2) calls.
>>> A as_res resource counter is added to the mem_cgroup structure. The
>>> as_res counter handles all the accounting associated with the virtual
>>> address space accounting and control of cgroups.
>>>
>>> Signed-off-by: Balbir Singh <balbir@linux.vnet.ibm.com>
>> I wonder that it's better to create "rlimit cgroup" rather than enhancing
>> memory controller. (But I have no strong opinion.)
>> How do you think ?
> 
> I believe that all memory management is better to have in one controller...
> 

Paul wants to see it in a different controller. He has been reasoning it out in
another email thread.

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

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