diff --git a/init/Kconfig b/init/Kconfig
index 4dea595..f6aeea6 100644
--- a/init/Kconfig
+++ b/init/Kconfig
@@ -642,7 +642,7 @@ config TREE_RCU_TRACE
 config RCU_BOOST
 	bool "Enable RCU priority boosting"
 	depends on RT_MUTEXES && PREEMPT_RCU
-	default n
+	default y if PREEMPT_RT_FULL
 	help
 	  This option boosts the priority of preempted RCU readers that
 	  block the current preemptible RCU grace period for too long.
diff --git a/localversion-rt b/localversion-rt
index c29508d..9a218ca 100644
--- a/localversion-rt
+++ b/localversion-rt
@@ -1 +1 @@
--rt22
+-rt23
