187 	union futex_key key;
219 	union futex_key key;
222 	union futex_key *requeue_pi_key;
417 static struct futex_hash_bucket *hash_futex(union futex_key *key)  in hash_futex()
433 static inline int match_futex(union futex_key *key1, union futex_key *key2)  in match_futex()
542 static int get_futex_key(u32 __user *uaddr, bool fshared, union futex_key *key,  in get_futex_key()
752 					union futex_key *key)  in futex_top_waiter()
902 	union futex_key key = FUTEX_KEY_INIT;  in exit_pi_state_list()
1266 static void __attach_to_pi_owner(struct task_struct *p, union futex_key *key,  in __attach_to_pi_owner()
1300 static int attach_to_pi_owner(u32 __user *uaddr, u32 uval, union futex_key *key,  in attach_to_pi_owner()
1405 				union futex_key *key,  in futex_lock_pi_atomic()
1655 	union futex_key key = FUTEX_KEY_INIT;  in futex_wake()
1750 	union futex_key key1 = FUTEX_KEY_INIT, key2 = FUTEX_KEY_INIT;  in futex_wake_op()
1838 		   struct futex_hash_bucket *hb2, union futex_key *key2)  in requeue_futex()
1986 void requeue_pi_wake_futex(struct futex_q *q, union futex_key *key,  in requeue_pi_wake_futex()
2031 			   struct futex_hash_bucket *hb2, union futex_key *key1,  in futex_proxy_trylock_atomic()
2032 			   union futex_key *key2, struct futex_pi_state **ps,  in futex_proxy_trylock_atomic()
2131 	union futex_key key1 = FUTEX_KEY_INIT, key2 = FUTEX_KEY_INIT;  in futex_requeue()
3192 	union futex_key key = FUTEX_KEY_INIT;  in futex_unlock_pi()
3413 	union futex_key key2 = FUTEX_KEY_INIT;  in futex_wait_requeue_pi()