wake_q_add_safe    60 include/linux/sched/wake_q.h extern void wake_q_add_safe(struct wake_q_head *head, struct task_struct *task);
wake_q_add_safe  1562 kernel/futex.c 	wake_q_add_safe(wake_q, p);
wake_q_add_safe   551 kernel/locking/rwsem.c 		wake_q_add_safe(wake_q, tsk);