cpuset: make cs->{cpus, mems}_allowed as user-configured masks

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Now we've used effective cpumasks to enforce hierarchical manner,
we can use cs->{cpus,mems}_allowed as configured masks.

Configured masks can be changed by writing cpuset.cpus and cpuset.mems
only. The new behaviors are:

- They won't be changed by hotplug anymore.
- They won't be limited by its parent's masks.

This ia a behavior change, but won't take effect unless mount with
sane_behavior.

v2:
- Add comments to explain the differences between configured masks and
effective masks.

Signed-off-by: Li Zefan <lizefan@huawei.com>
Signed-off-by: Tejun Heo <tj@kernel.org>

...

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Li Zefan 2014-07-09 16:48:42 +08:00 • committed by Tejun Heo

parent ae1c802382

commit 7e88291bee

1 changed files with 29 additions and 6 deletions

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kernel/cpuset.c

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