--- efb304854b742e3bfeff3a6f5104b6130311089d
+++ caa7e0477f74d3cd9560832b555a97a823b4a794
@@ -418,7 +418,7 @@ static int proc_pid_stack(struct seq_fil
 static int proc_pid_schedstat(struct task_struct *task, char *buffer)
 {
 	return sprintf(buffer, "%llu %llu %lu\n",
-			(unsigned long long)task->se.sum_exec_runtime,
+			(unsigned long long)tsk_seruntime(task),
 			(unsigned long long)task->sched_info.run_delay,
 			task->sched_info.pcount);
 }