1 files changed, 3 insertions, 2 deletions

diff --git a/include/linux/perf_counter.h b/include/linux/perf_counter.h
index a65ddc580514..717bf3b59ba4 100644
--- a/include/linux/perf_counter.h
+++ b/include/linux/perf_counter.h
@@ -541,8 +541,9 @@ struct perf_counter_context {
          * been cloned (inherited) from a common ancestor.
          */
         struct perf_counter_context *parent_ctx;
-        u32                     parent_gen;
-        u32                     generation;
+        u64                     parent_gen;
+        u64                     generation;
+        struct rcu_head         rcu_head;
 };
 
 /**