212 void cgroup1_pidlist_destroy_all(struct cgroup *cgrp)  in cgroup1_pidlist_destroy_all()  argument
216 	mutex_lock(&cgrp->pidlist_mutex);  in cgroup1_pidlist_destroy_all()
217 	list_for_each_entry_safe(l, tmp_l, &cgrp->pidlists, links)  in cgroup1_pidlist_destroy_all()
219 	mutex_unlock(&cgrp->pidlist_mutex);  in cgroup1_pidlist_destroy_all()
222 	BUG_ON(!list_empty(&cgrp->pidlists));  in cgroup1_pidlist_destroy_all()
293 static struct cgroup_pidlist *cgroup_pidlist_find(struct cgroup *cgrp,  in cgroup_pidlist_find()  argument
300 	lockdep_assert_held(&cgrp->pidlist_mutex);  in cgroup_pidlist_find()
302 	list_for_each_entry(l, &cgrp->pidlists, links)  in cgroup_pidlist_find()
314 static struct cgroup_pidlist *cgroup_pidlist_find_create(struct cgroup *cgrp,  in cgroup_pidlist_find_create()  argument
319 	lockdep_assert_held(&cgrp->pidlist_mutex);  in cgroup_pidlist_find_create()
321 	l = cgroup_pidlist_find(cgrp, type);  in cgroup_pidlist_find_create()
334 	l->owner = cgrp;  in cgroup_pidlist_find_create()
335 	list_add(&l->links, &cgrp->pidlists);  in cgroup_pidlist_find_create()
343 int cgroup_task_count(const struct cgroup *cgrp)  in cgroup_task_count()  argument
349 	list_for_each_entry(link, &cgrp->cset_links, cset_link)  in cgroup_task_count()
358 static int pidlist_array_load(struct cgroup *cgrp, enum cgroup_filetype type,  in pidlist_array_load()  argument
368 	lockdep_assert_held(&cgrp->pidlist_mutex);  in pidlist_array_load()
376 	length = cgroup_task_count(cgrp);  in pidlist_array_load()
381 	css_task_iter_start(&cgrp->self, 0, &it);  in pidlist_array_load()
400 	l = cgroup_pidlist_find_create(cgrp, type);  in pidlist_array_load()
429 	struct cgroup *cgrp = seq_css(s)->cgroup;  in cgroup_pidlist_start()  local
435 	mutex_lock(&cgrp->pidlist_mutex);  in cgroup_pidlist_start()
444 		of->priv = cgroup_pidlist_find(cgrp, type);  in cgroup_pidlist_start()
451 		ret = pidlist_array_load(cgrp, type,  in cgroup_pidlist_start()
522 	struct cgroup *cgrp;  in __cgroup1_procs_write()  local
527 	cgrp = cgroup_kn_lock_live(of->kn, false);  in __cgroup1_procs_write()
528 	if (!cgrp)  in __cgroup1_procs_write()
550 	ret = cgroup_attach_task(cgrp, task, threadgroup);  in __cgroup1_procs_write()
575 	struct cgroup *cgrp;  in cgroup_release_agent_write()  local
577 	BUILD_BUG_ON(sizeof(cgrp->root->release_agent_path) < PATH_MAX);  in cgroup_release_agent_write()
579 	cgrp = cgroup_kn_lock_live(of->kn, false);  in cgroup_release_agent_write()
580 	if (!cgrp)  in cgroup_release_agent_write()
583 	strlcpy(cgrp->root->release_agent_path, strstrip(buf),  in cgroup_release_agent_write()
584 		sizeof(cgrp->root->release_agent_path));  in cgroup_release_agent_write()
592 	struct cgroup *cgrp = seq_css(seq)->cgroup;  in cgroup_release_agent_show()  local
595 	seq_puts(seq, cgrp->root->release_agent_path);  in cgroup_release_agent_show()
720 	struct cgroup *cgrp;  in cgroupstats_build()  local
737 	cgrp = rcu_dereference(*(void __rcu __force **)&kn->priv);  in cgroupstats_build()
738 	if (!cgrp || cgroup_is_dead(cgrp)) {  in cgroupstats_build()
745 	css_task_iter_start(&cgrp->self, 0, &it);  in cgroupstats_build()
772 void cgroup1_check_for_release(struct cgroup *cgrp)  in cgroup1_check_for_release()  argument
774 	if (notify_on_release(cgrp) && !cgroup_is_populated(cgrp) &&  in cgroup1_check_for_release()
775 	    !css_has_online_children(&cgrp->self) && !cgroup_is_dead(cgrp))  in cgroup1_check_for_release()
776 		schedule_work(&cgrp->release_agent_work);  in cgroup1_check_for_release()
804 	struct cgroup *cgrp =  in cgroup1_release_agent()  local
813 	agentbuf = kstrdup(cgrp->root->release_agent_path, GFP_KERNEL);  in cgroup1_release_agent()
818 	ret = cgroup_path_ns_locked(cgrp, pathbuf, PATH_MAX, &init_cgroup_ns);  in cgroup1_release_agent()
848 	struct cgroup *cgrp = kn->priv;  in cgroup1_rename()  local
868 		TRACE_CGROUP_PATH(rename, cgrp);  in cgroup1_rename()
899 	if (test_bit(CGRP_CPUSET_CLONE_CHILDREN, &root->cgrp.flags))  in cgroup1_show_options()
1049 	cgroup_lock_and_drain_offline(&cgrp_dfl_root.cgrp);  in cgroup1_remount()
1073 	if (!list_empty(&root->cgrp.self.children)) {  in cgroup1_remount()
1120 	cgroup_lock_and_drain_offline(&cgrp_dfl_root.cgrp);  in cgroup1_mount()
1139 		if (!percpu_ref_tryget_live(&ss->root->cgrp.self.refcnt)) {  in cgroup1_mount()
1145 		cgroup_put(&ss->root->cgrp);  in cgroup1_mount()
1194 		    !percpu_ref_tryget_live(&root->cgrp.self.refcnt)) {  in cgroup1_mount()
1256 		percpu_ref_reinit(&root->cgrp.self.refcnt);  in cgroup1_mount()