1 files changed, 2 insertions, 0 deletions

diff --git a/kernel/rcutree.h b/kernel/rcutree.h
index d2a0046f63b2..dc386a7c634f 100644
--- a/kernel/rcutree.h
+++ b/kernel/rcutree.h
@@ -277,6 +277,8 @@ struct rcu_state {
 
         u8      signaled ____cacheline_internodealigned_in_smp;
                                                 /* Force QS state. */
+        u8      fqs_active;                     /* force_quiescent_state() */
+                                                /*  is running. */
         long    gpnum;                          /* Current gp number. */
         long    completed;                      /* # of last completed gp. */