1 files changed, 5 insertions, 0 deletions

diff --git a/kernel/rcutree.h b/kernel/rcutree.h
index edb6fae0fa94..bd5d78ad1c48 100644
--- a/kernel/rcutree.h
+++ b/kernel/rcutree.h
@@ -278,6 +278,11 @@ struct rcu_state {
                                                 /* Force QS state. */
         u8      fqs_active;                     /* force_quiescent_state() */
                                                 /*  is running. */
+        u8      fqs_need_gp;                    /* A CPU was prevented from */
+                                                /*  starting a new grace */
+                                                /*  period because */
+                                                /*  force_quiescent_state() */
+                                                /*  was running. */
         long    gpnum;                          /* Current gp number. */
         long    completed;                      /* # of last completed gp. */