857 	struct css_task_iter *it, *pos;  in css_set_skip_task_iters()  local
859 	list_for_each_entry_safe(it, pos, &cset->task_iters, iters_node)  in css_set_skip_task_iters()
4179 struct cgroup_subsys_state *css_next_child(struct cgroup_subsys_state *pos,  in css_next_child()  argument
4206 	if (!pos) {  in css_next_child()
4208 	} else if (likely(!(pos->flags & CSS_RELEASED))) {  in css_next_child()
4209 		next = list_entry_rcu(pos->sibling.next, struct cgroup_subsys_state, sibling);  in css_next_child()
4212 			if (next->serial_nr > pos->serial_nr)  in css_next_child()
4247 css_next_descendant_pre(struct cgroup_subsys_state *pos,  in css_next_descendant_pre()  argument
4255 	if (!pos)  in css_next_descendant_pre()
4259 	next = css_next_child(NULL, pos);  in css_next_descendant_pre()
4264 	while (pos != root) {  in css_next_descendant_pre()
4265 		next = css_next_child(pos, pos->parent);  in css_next_descendant_pre()
4268 		pos = pos->parent;  in css_next_descendant_pre()
4289 css_rightmost_descendant(struct cgroup_subsys_state *pos)  in css_rightmost_descendant()  argument
4296 		last = pos;  in css_rightmost_descendant()
4298 		pos = NULL;  in css_rightmost_descendant()
4300 			pos = tmp;  in css_rightmost_descendant()
4301 	} while (pos);  in css_rightmost_descendant()
4307 css_leftmost_descendant(struct cgroup_subsys_state *pos)  in css_leftmost_descendant()  argument
4312 		last = pos;  in css_leftmost_descendant()
4313 		pos = css_next_child(NULL, pos);  in css_leftmost_descendant()
4314 	} while (pos);  in css_leftmost_descendant()
4342 css_next_descendant_post(struct cgroup_subsys_state *pos,  in css_next_descendant_post()  argument
4350 	if (!pos)  in css_next_descendant_post()
4354 	if (pos == root)  in css_next_descendant_post()
4358 	next = css_next_child(pos, pos->parent);  in css_next_descendant_post()
4363 	return pos->parent;  in css_next_descendant_post()
4656 static void *cgroup_procs_next(struct seq_file *s, void *v, loff_t *pos)  in cgroup_procs_next()  argument
4664 static void *__cgroup_procs_start(struct seq_file *s, loff_t *pos,  in __cgroup_procs_start()  argument
4676 		if (WARN_ON_ONCE((*pos)++))  in __cgroup_procs_start()
4684 	} else if (!(*pos)++) {  in __cgroup_procs_start()
4692 static void *cgroup_procs_start(struct seq_file *s, loff_t *pos)  in cgroup_procs_start()  argument
4705 	return __cgroup_procs_start(s, pos, CSS_TASK_ITER_PROCS |  in cgroup_procs_start()
4788 static void *cgroup_threads_start(struct seq_file *s, loff_t *pos)  in cgroup_threads_start()  argument
4790 	return __cgroup_procs_start(s, pos, 0);  in cgroup_threads_start()