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authorTejun Heo <tj@kernel.org>2012-11-19 08:13:36 -0800
committerTejun Heo <tj@kernel.org>2012-11-19 08:13:36 -0800
commit38b53abaa3e0c7e750ef73eee919cf42eee6b134 (patch)
tree1692ce65068d5df48768564548ec7e4ed4b67da5 /kernel/cgroup.c
parentfebfcef60d4f9457785b45aab548bc7ee5ea158f (diff)
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cgroup: make CSS_* flags bit masks instead of bit positions
Currently, CSS_* flags are defined as bit positions and manipulated using atomic bitops. There's no reason to use atomic bitops for them and bit positions are clunkier to deal with than bit masks. Make CSS_* bit masks instead and use the usual C bitwise operators to access them. Signed-off-by: Tejun Heo <tj@kernel.org> Acked-by: Li Zefan <lizefan@huawei.com>
Diffstat (limited to 'kernel/cgroup.c')
-rw-r--r--kernel/cgroup.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/kernel/cgroup.c b/kernel/cgroup.c
index affc76d7f739..82ad8785fafe 100644
--- a/kernel/cgroup.c
+++ b/kernel/cgroup.c
@@ -4020,7 +4020,7 @@ static void init_cgroup_css(struct cgroup_subsys_state *css,
css->flags = 0;
css->id = NULL;
if (cgrp == dummytop)
- set_bit(CSS_ROOT, &css->flags);
+ css->flags |= CSS_ROOT;
BUG_ON(cgrp->subsys[ss->subsys_id]);
cgrp->subsys[ss->subsys_id] = css;