Subject [PATCH-tip v5 20/21] sched, TP-futex: Make wake_up_q() return wakeup count

extern void wake_q_add(struct wake_q_head *head, struct task_struct *task); -extern void wake_up_q(struct wake_q_head *head); +extern int wake_up_q(struct wake_q_head *head); #endif /* _LINUX_SCHED_WAKE_Q_H */ diff --git a/kernel/futex.c b/kernel/futex.c ...