diff --git a/include/linux/sched.h b/include/linux/sched.h
index 7c61b50..7a4de87 100644
--- a/include/linux/sched.h
+++ b/include/linux/sched.h
@@ -935,6 +935,11 @@
 	struct sched_class *sched_class;
 	struct sched_entity se;
 
+#ifdef CONFIG_PREEMPT_NOTIFIERS
+	/* list of struct preempt_notifier: */
+	struct hlist_head preempt_notifiers;
+#endif
+
 	unsigned short ioprio;
 #ifdef CONFIG_BLK_DEV_IO_TRACE
 	unsigned int btrace_seq;