1873 static inline int _double_lock_balance(struct rq *this_rq, struct rq *busiest)  in _double_lock_balance()  argument
1875 	__acquires(busiest->lock)  in _double_lock_balance()
1879 	double_rq_lock(this_rq, busiest);  in _double_lock_balance()
1892 static inline int _double_lock_balance(struct rq *this_rq, struct rq *busiest)  in _double_lock_balance()  argument
1894 	__acquires(busiest->lock)  in _double_lock_balance()
1899 	if (unlikely(!raw_spin_trylock(&busiest->lock))) {  in _double_lock_balance()
1900 		if (busiest < this_rq) {  in _double_lock_balance()
1902 			raw_spin_lock(&busiest->lock);  in _double_lock_balance()
1907 			raw_spin_lock_nested(&busiest->lock,  in _double_lock_balance()
1918 static inline int double_lock_balance(struct rq *this_rq, struct rq *busiest)  in double_lock_balance()  argument
1926 	return _double_lock_balance(this_rq, busiest);  in double_lock_balance()
1929 static inline void double_unlock_balance(struct rq *this_rq, struct rq *busiest)  in double_unlock_balance()  argument
1930 	__releases(busiest->lock)  in double_unlock_balance()
1932 	raw_spin_unlock(&busiest->lock);  in double_unlock_balance()