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Diffstat (limited to 'include/linux/cgroup.h')
-rw-r--r--include/linux/cgroup.h10
1 files changed, 2 insertions, 8 deletions
diff --git a/include/linux/cgroup.h b/include/linux/cgroup.h
index 160fcc69149e..286e39e4e9bf 100644
--- a/include/linux/cgroup.h
+++ b/include/linux/cgroup.h
@@ -77,7 +77,6 @@ struct cgroup_subsys_state {
/* bits in struct cgroup_subsys_state flags field */
enum {
- CSS_ROOT = (1 << 0), /* this CSS is the root of the subsystem */
CSS_ONLINE = (1 << 1), /* between ->css_online() and ->css_offline() */
};
@@ -89,9 +88,7 @@ enum {
*/
static inline void css_get(struct cgroup_subsys_state *css)
{
- /* We don't need to reference count the root state */
- if (!(css->flags & CSS_ROOT))
- percpu_ref_get(&css->refcnt);
+ percpu_ref_get(&css->refcnt);
}
/**
@@ -106,8 +103,6 @@ static inline void css_get(struct cgroup_subsys_state *css)
*/
static inline bool css_tryget_online(struct cgroup_subsys_state *css)
{
- if (css->flags & CSS_ROOT)
- return true;
return percpu_ref_tryget_live(&css->refcnt);
}
@@ -119,8 +114,7 @@ static inline bool css_tryget_online(struct cgroup_subsys_state *css)
*/
static inline void css_put(struct cgroup_subsys_state *css)
{
- if (!(css->flags & CSS_ROOT))
- percpu_ref_put(&css->refcnt);
+ percpu_ref_put(&css->refcnt);
}
/* bits in struct cgroup flags field */