1414 static int wait_for_vfork_done(struct task_struct *child,  in wait_for_vfork_done()  argument
1426 		task_lock(child);  in wait_for_vfork_done()
1427 		child->vfork_done = NULL;  in wait_for_vfork_done()
1428 		task_unlock(child);  in wait_for_vfork_done()
1431 	put_task_struct(child);  in wait_for_vfork_done()
2950 	struct task_struct *leader, *parent, *child;  in walk_process_tree()  local
2957 		list_for_each_entry(child, &parent->children, sibling) {  in walk_process_tree()
2958 			res = visitor(child, data);  in walk_process_tree()
2962 				leader = child;  in walk_process_tree()
2971 		child = leader;  in walk_process_tree()
2972 		parent = child->real_parent;  in walk_process_tree()