cpuset and affinity implementation

[David Xu]

Jeff Roberson wrote:

> 
> Are there any objections to commiting this functionality in its current 
> form?
> 
> I think there is the possibility for further debate and refinement but I 
> believe the code is stable and simple enough to hit the tree for people 
> to start using it.
> 
> Thanks,
> Jeff

I have no objection, it can be refined later if there is any issue.

Thanks,
David Xu