402 #define task_css_check(task, subsys_id, __c)				\  argument
403 	task_css_set_check((task), (__c))->subsys[(subsys_id)]
424 						   int subsys_id)  in task_css()  argument
426 	return task_css_check(task, subsys_id, false);  in task_css()
439 task_get_css(struct task_struct *task, int subsys_id)  in task_get_css()  argument
445 		css = task_css(task, subsys_id);  in task_get_css()
462 static inline bool task_css_is_root(struct task_struct *task, int subsys_id)  in task_css_is_root()  argument
464 	return task_css_check(task, subsys_id, true) ==  in task_css_is_root()
465 		init_css_set.subsys[subsys_id];  in task_css_is_root()
469 					 int subsys_id)  in task_cgroup()  argument
471 	return task_css(task, subsys_id)->cgroup;  in task_cgroup()