diff --git a/include/linux/sched.h b/include/linux/sched.h
index 2f43f1f..f751062 100644
--- a/include/linux/sched.h
+++ b/include/linux/sched.h
@@ -537,7 +537,7 @@
 struct backing_dev_info;
 struct reclaim_state;
 
-#ifdef CONFIG_SCHEDSTATS
+#if defined(CONFIG_SCHEDSTATS) || defined(CONFIG_TASK_DELAY_ACCT)
 struct sched_info {
 	/* cumulative counters */
 	unsigned long	cpu_time,	/* time spent on the cpu */
@@ -548,9 +548,11 @@
 	unsigned long	last_arrival,	/* when we last ran on a cpu */
 			last_queued;	/* when we were last queued to run */
 };
+#endif /* defined(CONFIG_SCHEDSTATS) || defined(CONFIG_TASK_DELAY_ACCT) */
 
+#ifdef CONFIG_SCHEDSTATS
 extern struct file_operations proc_schedstat_operations;
-#endif
+#endif /* CONFIG_SCHEDSTATS */
 
 #ifdef CONFIG_TASK_DELAY_ACCT
 struct task_delay_info {
@@ -580,7 +582,19 @@
 	u32 swapin_count;	/* total count of the number of swapin block */
 				/* io operations performed */
 };
+#endif	/* CONFIG_TASK_DELAY_ACCT */
+
+static inline int sched_info_on(void)
+{
+#ifdef CONFIG_SCHEDSTATS
+	return 1;
+#elif defined(CONFIG_TASK_DELAY_ACCT)
+	extern int delayacct_on;
+	return delayacct_on;
+#else
+	return 0;
 #endif
+}
 
 enum idle_type
 {
@@ -777,7 +791,7 @@
 	cpumask_t cpus_allowed;
 	unsigned int time_slice, first_time_slice;
 
-#ifdef CONFIG_SCHEDSTATS
+#if defined(CONFIG_SCHEDSTATS) || defined(CONFIG_TASK_DELAY_ACCT)
 	struct sched_info sched_info;
 #endif