Now we can use cs->effective_{cpus,mems} 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().
effective_mask == configured_mask & parent
Now we can use cs-effective_{cpus,mems} 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().
effective_mask == configured_mask parent
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