2069 	ret = percpu_ref_init(&root_cgrp->self.refcnt, css_release,  in cgroup_setup_root()
2156 	percpu_ref_exit(&root_cgrp->self.refcnt);  in cgroup_setup_root()
2291 	    !percpu_ref_is_dying(&root->cgrp.self.refcnt)) {  in cgroup_kill_sb()
2293 		percpu_ref_kill(&root->cgrp.self.refcnt);  in cgroup_kill_sb()
3144 			if (!css || !percpu_ref_is_dying(&css->refcnt))  in cgroup_lock_and_drain_offline()
3267 			WARN_ON_ONCE(percpu_ref_is_dying(&css->refcnt));  in cgroup_apply_control_enable()
3307 			WARN_ON_ONCE(percpu_ref_is_dying(&css->refcnt));  in cgroup_apply_control_disable()
5374 	percpu_ref_exit(&css->refcnt);  in css_free_rwork_fn()
5473 		container_of(ref, struct cgroup_subsys_state, refcnt);  in css_release()
5574 	err = percpu_ref_init(&css->refcnt, css_release, 0, GFP_KERNEL);  in css_create()
5621 	ret = percpu_ref_init(&cgrp->self.refcnt, css_release, 0, GFP_KERNEL);  in cgroup_create()
5716 	percpu_ref_exit(&cgrp->self.refcnt);  in cgroup_create()
5828 		container_of(ref, struct cgroup_subsys_state, refcnt);  in css_killed_ref_fn()
5876 	percpu_ref_kill_and_confirm(&css->refcnt, css_killed_ref_fn);  in kill_css()
5970 	percpu_ref_kill(&cgrp->self.refcnt);  in cgroup_destroy_locked()