1523 static inline int _double_lock_balance(struct rq *this_rq, struct rq *busiest)  in _double_lock_balance()  argument
1525 	__acquires(busiest->lock)  in _double_lock_balance()
1529 	double_rq_lock(this_rq, busiest);  in _double_lock_balance()
1542 static inline int _double_lock_balance(struct rq *this_rq, struct rq *busiest)  in _double_lock_balance()  argument
1544 	__acquires(busiest->lock)  in _double_lock_balance()
1549 	if (unlikely(!raw_spin_trylock(&busiest->lock))) {  in _double_lock_balance()
1550 		if (busiest < this_rq) {  in _double_lock_balance()
1552 			raw_spin_lock(&busiest->lock);  in _double_lock_balance()
1557 			raw_spin_lock_nested(&busiest->lock,  in _double_lock_balance()
1568 static inline int double_lock_balance(struct rq *this_rq, struct rq *busiest)  in double_lock_balance()  argument
1576 	return _double_lock_balance(this_rq, busiest);  in double_lock_balance()
1579 static inline void double_unlock_balance(struct rq *this_rq, struct rq *busiest)  in double_unlock_balance()  argument
1580 	__releases(busiest->lock)  in double_unlock_balance()
1582 	raw_spin_unlock(&busiest->lock);  in double_unlock_balance()