* also take its birthdate (always earlier than our own).
*/
tsk->start_time = leader->start_time;
- tsk->real_start_time = leader->real_start_time;
+ tsk->start_boottime = leader->start_boottime;
BUG_ON(!same_thread_group(leader, tsk));
BUG_ON(has_group_leader_pid(tsk));