cgroup: make flags and subsys_masks unsigned int

Browse source

There's no reason to use atomic bitops for cgroup_subsys_state->flags,
cgroup_root->flags and various subsys_masks.  This patch updates those
to use bitwise and/or operations instead and converts them form
unsigned long to unsigned int.

This makes the fields occupy (marginally) smaller space and makes it
clear that they don't require atomicity.

This patch doesn't cause any behavior difference.

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

...

This commit is contained in:

Tejun Heo 2014-05-04 15:09:13 -04:00

parent ed3d261b53

commit 69dfa00ccb

2 changed files with 22 additions and 23 deletions

Show all changes Ignore whitespace when comparing lines Ignore changes in amount of whitespace Ignore changes in whitespace at EOL

Download patch file Download diff file Expand all files Collapse all files

8

include/linux/cgroup.h

View file

37

kernel/cgroup.c

View file