Re: [PATCH/RFC] Have sane default values for cpusets

[Jan Safranek]

On 05/12/2010 04:20 PM, Peter Zijlstra wrote:
> On Wed, 2010-05-12 at 16:13 +0200, Dhaval Giani wrote:
> > What you are saying is that an application
> > programmer who wants to just use memory cgroups should also care about
> > cpusets and just about countless other cgroup subsystems that can
> > exist.
>
> That's exactly what he says if he mounts them together.

No, the programmer does not mount anything. Programmer writes 
application which wants to create a subgroup. System admin is the one 
who decides what is mounted how. And the programmer (=me) needs a way 
how to reliably create a subgroup, without knowing details about all 
controllers. E.g. 'blkio' controller is quite new one, old applications 
do now know anything about it, yet according to your idea, the 
application *must* provide sane defaults to it.

Jan

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