Re: containers (was Re: -mm merge plans for 2.6.23)

From: Ingo Molnar
Date: Wed Jul 11 2007 - 05:05:14 EST



* Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> wrote:

> > c. Enable group scheduling bits only in -mm for now (2.6.23-mmX), using
> > Paul's container patches. I can send you a short patch that hooks up
> > cfs group scheduler with Paul's container infrastructure.
> >
> > If a. is not possible, I would prefer c.
> >
> > Let me know your thoughts ..
>
> I'm inclined to take the cautious route here - I don't think people
> will be dying for the CFS thingy (which I didn't even know about?) in
> .23, and it's rather a lot of infrastructure to add for a CPU
> scheduler configurator gadget (what does it do, anyway?)
>
> We have plenty of stuff for 2.6.23 already ;)
>
> Is this liveable with??

another option would be to trivially hook up CONFIG_FAIR_GROUP_SCHED
with cpusets, and to offer CONFIG_FAIR_GROUP_SCHED in the Kconfig,
dependent on CPUSETS and defaulting to off. That would give it a chance
to be tested, benchmarked, etc.

Ingo
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