--- 845c1d210ef1cd7b57659e4ccff84a0dc0d1ec51
+++ fa87a3e5b99f00bd0d0759f894e84a9f7876b1b2
@@ -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);
 }