diff --git a/kernel/rcutree.h b/kernel/rcutree.h
index 488f2ec..4b69291 100644
--- a/kernel/rcutree.h
+++ b/kernel/rcutree.h
@@ -287,6 +287,7 @@
 	long		qlen_last_fqs_check;
 					/* qlen at last check for QS forcing */
 	unsigned long	n_cbs_invoked;	/* count of RCU cbs invoked. */
+	unsigned long	n_nocbs_invoked; /* count of no-CBs RCU cbs invoked. */
 	unsigned long   n_cbs_orphaned; /* RCU cbs orphaned by dying CPU */
 	unsigned long   n_cbs_adopted;  /* RCU cbs adopted from dying CPU */
 	unsigned long	n_force_qs_snap;