1 files changed, 4 insertions, 8 deletions

diff --git a/include/linux/cgroup.h b/include/linux/cgroup.h
index 028478c6e0c5..be81fafae11f 100644
--- a/include/linux/cgroup.h
+++ b/include/linux/cgroup.h
@@ -115,16 +115,12 @@ static inline bool css_is_removed(struct cgroup_subsys_state *css)
  * the css has been destroyed.
  */
 
+extern bool __css_tryget(struct cgroup_subsys_state *css);
 static inline bool css_tryget(struct cgroup_subsys_state *css)
 {
         if (test_bit(CSS_ROOT, &css->flags))
                 return true;
-        while (!atomic_inc_not_zero(&css->refcnt)) {
-                if (test_bit(CSS_REMOVED, &css->flags))
-                        return false;
-                cpu_relax();
-        }
-        return true;
+        return __css_tryget(css);
 }
 
 /*
@@ -132,11 +128,11 @@ static inline bool css_tryget(struct cgroup_subsys_state *css)
  * css_get() or css_tryget()
  */
 
-extern void __css_put(struct cgroup_subsys_state *css, int count);
+extern void __css_put(struct cgroup_subsys_state *css);
 static inline void css_put(struct cgroup_subsys_state *css)
 {
         if (!test_bit(CSS_ROOT, &css->flags))
-                __css_put(css, 1);
+                __css_put(css);
 }
 
 /* bits in struct cgroup flags field */