Re: [PATCH 2/2] CFS CGroup: Report usage

[Balbir Singh]

Paul Menage wrote:
> On 10/23/07, Balbir Singh <balbir@xxxxxxxxxxxxxxxxxx> wrote:
>> Well, most people who care about deletion will use the notify_on_release
>> callback and retry.
> 
> I'm not convinced this is true. Certainly the userspace approaches
> we're developing at Google don't (currently) use notify_on_release.
> 
> Paul

Well, without notify_on_release you can never be sure if a new task
got added to the control group or if someone acquired a reference
to it. I can't think of a safe way of removing control groups/cpusets
without using notify_on_release.

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

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