1 files changed, 4 insertions, 0 deletions

diff --git a/kernel/rcutree.h b/kernel/rcutree.h
index b40ac5706040..599161f309fb 100644
--- a/kernel/rcutree.h
+++ b/kernel/rcutree.h
@@ -167,6 +167,10 @@ struct rcu_data {
         struct rcu_head *nxtlist;
         struct rcu_head **nxttail[RCU_NEXT_SIZE];
         long            qlen;           /* # of queued callbacks */
+        long            qlen_last_fqs_check;
+                                        /* qlen at last check for QS forcing */
+        unsigned long   n_force_qs_snap;
+                                        /* did other CPU force QS recently? */
         long            blimit;         /* Upper limit on a processed batch */
 
 #ifdef CONFIG_NO_HZ