On Wed, Aug 21, 2013 at 05:59:56PM +0800, Li Zefan wrote:
> Now we can use cs->real{cpus,mems}_allowed as effective masks. It's
> used whenever:
>
> - we update tasks' cpus_allowed/mems_allowed,
> - we want to retrieve tasks_cs(tsk)'s cpus_allowed/mems_allowed.
>
> They actually replace effective_{cpu,node}mask_cpuset().
I think it'd be great if this and the previous patch descriptions
explain that the effective masks equal configured sans the offline
cpus / mems except when the result is empty, in which case it takes on
the nearest ancestor whose intersection isn't empty, and that the
result equals the computed masks from
effective_{cpu,node}mask_cpuset().
Thanks.
--
tejun
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