rcu: Put names into TINY_RCU structures under RCU_TRACE

In order to allow event tracing to distinguish between flavors of
RCU, we need those names in the relevant RCU data structures.  TINY_RCU
has avoided them for memory-footprint reasons, so add them only if
CONFIG_RCU_TRACE=y.

Signed-off-by: Paul E. McKenney <paul.mckenney@linaro.org>
Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>

1 files changed, 0 insertions, 13 deletions

diff --git a/kernel/rcutiny.c b/kernel/rcutiny.c
index 19453ba1392e..0d28974b78f4 100644
--- a/kernel/rcutiny.c
+++ b/kernel/rcutiny.c
@@ -38,20 +38,7 @@
 #include <linux/prefetch.h>
 
 #ifdef CONFIG_RCU_TRACE
-
 #include <trace/events/rcu.h>
-
-#else /* #ifdef CONFIG_RCU_TRACE */
-
-/* No by-default tracing in TINY_RCU: Keep TINY_RCU tiny! */
-static void trace_rcu_invoke_kfree_callback(struct rcu_head *rhp,
-                                            unsigned long offset)
-{
-}
-static void trace_rcu_invoke_callback(struct rcu_head *head)
-{
-}
-
 #endif /* #else #ifdef CONFIG_RCU_TRACE */
 
 #include "rcu.h"