[RFD] cgroup: about multiple hierarchies

[Peter Zijlstra]

On Fri, 2012-03-02 at 12:16 +0100, Michal Schmidt wrote:
> 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.

And I don't give a crap about any of that.. sysvinit was sufficient.