1 files changed, 3 insertions, 1 deletions

diff --git a/include/linux/sched.h b/include/linux/sched.h
index b3c51e869388..4f1db3ef62a9 100644
--- a/include/linux/sched.h
+++ b/include/linux/sched.h
@@ -572,8 +572,10 @@ union rcu_special {
         struct {
                 u8                      blocked;
                 u8                      need_qs;
+                u8                      exp_hint; /* Hint for performance. */
+                u8                      pad; /* No garbage from compiler! */
         } b; /* Bits. */
-        u16 s; /* Set of bits. */
+        u32 s; /* Set of bits. */
 };
 
 enum perf_event_task_context {