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

Ingo Molnar mingo at elte.hu
Wed Jul 11 02:04:23 PDT 2007


* Andrew Morton <akpm at linux-foundation.org> 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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