1 files changed, 3 insertions, 0 deletions

diff --git a/include/linux/rcuclassic.h b/include/linux/rcuclassic.h
index 04c728147be0..16589958b40e 100644
--- a/include/linux/rcuclassic.h
+++ b/include/linux/rcuclassic.h
@@ -46,6 +46,9 @@ struct rcu_ctrlblk {
         long    cur;            /* Current batch number.                      */
         long    completed;      /* Number of the last completed batch         */
         long    pending;        /* Number of the last pending batch           */
+#ifdef CONFIG_DEBUG_RCU_STALL
+        unsigned long gp_check; /* Time grace period should end, in seconds.  */
+#endif /* #ifdef CONFIG_DEBUG_RCU_STALL */
 
         int     signaled;