Re: [RFD] cgroup: about multiple hierarchies

[Michal Schmidt]

On 03/01/2012 09:26 PM, Mike Galbraith wrote:
> Q: you say systemd requires CONFIG_CGROUPS=y.  Why is that?  It's taking
> over sysvinits job afaiui, what does that have to do with cgroups?

It does more than sysvinit. It does more than fork off services and then 
forget about them. It keeps track of them all the time.
It notices when all processes of a service have exited.
It can kill all processes descended from a service.
It can always tell what service a given process belongs to.

Michal
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