98 bool css_has_online_children(struct cgroup_subsys_state *css);
146 						    struct cgroup_subsys_state *css);
149 						     struct cgroup_subsys_state *css);
156 void css_task_iter_start(struct cgroup_subsys_state *css, unsigned int flags,
239 #define css_for_each_descendant_pre(pos, css)				\  argument
240 	for ((pos) = css_next_descendant_pre(NULL, (css)); (pos);	\
241 	     (pos) = css_next_descendant_pre((pos), (css)))
262 #define css_for_each_descendant_post(pos, css)				\  argument
263 	for ((pos) = css_next_descendant_post(NULL, (css)); (pos);	\
264 	     (pos) = css_next_descendant_post((pos), (css)))
321 static inline void css_get(struct cgroup_subsys_state *css)  in css_get()  argument
323 	if (!(css->flags & CSS_NO_REF))  in css_get()
324 		percpu_ref_get(&css->refcnt);  in css_get()
334 static inline void css_get_many(struct cgroup_subsys_state *css, unsigned int n)  in css_get_many()  argument
336 	if (!(css->flags & CSS_NO_REF))  in css_get_many()
337 		percpu_ref_get_many(&css->refcnt, n);  in css_get_many()
351 static inline bool css_tryget(struct cgroup_subsys_state *css)  in css_tryget()  argument
353 	if (!(css->flags & CSS_NO_REF))  in css_tryget()
354 		return percpu_ref_tryget(&css->refcnt);  in css_tryget()
368 static inline bool css_tryget_online(struct cgroup_subsys_state *css)  in css_tryget_online()  argument
370 	if (!(css->flags & CSS_NO_REF))  in css_tryget_online()
371 		return percpu_ref_tryget_live(&css->refcnt);  in css_tryget_online()
390 static inline bool css_is_dying(struct cgroup_subsys_state *css)  in css_is_dying()  argument
392 	return !(css->flags & CSS_NO_REF) && percpu_ref_is_dying(&css->refcnt);  in css_is_dying()
401 static inline void css_put(struct cgroup_subsys_state *css)  in css_put()  argument
403 	if (!(css->flags & CSS_NO_REF))  in css_put()
404 		percpu_ref_put(&css->refcnt);  in css_put()
414 static inline void css_put_many(struct cgroup_subsys_state *css, unsigned int n)  in css_put_many()  argument
416 	if (!(css->flags & CSS_NO_REF))  in css_put_many()
417 		percpu_ref_put_many(&css->refcnt, n);  in css_put_many()
509 	struct cgroup_subsys_state *css;  in task_get_css()  local
513 		css = task_css(task, subsys_id);  in task_get_css()
520 		if (likely(css_tryget(css)))  in task_get_css()
525 	return css;  in task_get_css()
705 static inline void css_get(struct cgroup_subsys_state *css) {}  in css_get()  argument
706 static inline void css_put(struct cgroup_subsys_state *css) {}  in css_put()  argument