From: Li Zefan <lizefan@huawei.com>
Date: Wed, 9 Jul 2014 08:48:42 +0000 (+0800)
Subject: cpuset: make cs->{cpus, mems}_allowed as user-configured masks
X-Git-Tag: omap-for-v3.17/fixes-against-rc2~190^2~11
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=7e88291beefbb758fa3b27e500ee2e0c888d6e44;p=pandora-kernel.git

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

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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