1 files changed, 2 insertions, 0 deletions

diff --git a/kernel/rcutree.h b/kernel/rcutree.h
index 780a0195d35a..049896a835d9 100644
--- a/kernel/rcutree.h
+++ b/kernel/rcutree.h
@@ -364,6 +364,8 @@ struct rcu_state {
         u32 levelcnt[MAX_RCU_LVLS + 1];         /* # nodes in each level. */
         u8 levelspread[RCU_NUM_LVLS];           /* kids/node in each level. */
         struct rcu_data __percpu *rda;          /* pointer of percu rcu_data. */
+        void (*call)(struct rcu_head *head,     /* call_rcu() flavor. */
+                     void (*func)(struct rcu_head *head));
 
         /* The following fields are guarded by the root rcu_node's lock. */