double_unlock_balance
double_unlock_balance(rq, lowest_rq);
double_unlock_balance(rq, later_rq);
double_unlock_balance(rq, later_rq);
double_unlock_balance(rq, later_rq);
double_unlock_balance(this_rq, src_rq);
double_unlock_balance(later_rq, rq);
double_unlock_balance(rq, lowest_rq);
double_unlock_balance(rq, lowest_rq);
double_unlock_balance(rq, lowest_rq);
double_unlock_balance(this_rq, src_rq);