[PATCH 2/2] Make res_counter hierarchical

Balbir Singh balbir at linux.vnet.ibm.com
Tue Mar 11 02:16:58 PDT 2008


Paul Menage wrote:
> On Tue, Mar 11, 2008 at 2:13 AM, KAMEZAWA Hiroyuki
> <kamezawa.hiroyu at jp.fujitsu.com> wrote:
>>  or remove all relationship among counters of *different* type of resources.
>>  user-land-daemon will do enough jobs.
>>
> 
> Yes, that would be my preferred choice, if people agree that
> hierarchically limiting overall virtual memory isn't useful. (I don't
> think I have a use for it myself).
> 

Virtual limits are very useful. I have a patch ready to send out.
They limit the amount of paging a cgroup can do (virtual limit - RSS limit).
Some times end users want to set virtual limit == RSS limit, so that the cgroup
OOMs on cross the RSS limit.

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


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