__wake_up_sync
void __wake_up_sync(struct wait_queue_head *wq_head, unsigned int mode);
#define wake_up_sync(x) __wake_up_sync(x, TASK_NORMAL)
#define wake_up_interruptible_sync(x) __wake_up_sync((x), TASK_INTERRUPTIBLE)
EXPORT_SYMBOL_GPL(__wake_up_sync); /* For internal use only */