diff --git a/init/Kconfig b/init/Kconfig
index 09c5c64..d367bf6 100644
--- a/init/Kconfig
+++ b/init/Kconfig
@@ -334,6 +334,15 @@
 	  is also required.  It also scales down nicely to
 	  smaller systems.
 
+config TINY_RCU
+	bool "UP-only small-memory-footprint RCU"
+	depends on !SMP
+	help
+	  This option selects the RCU implementation that is
+	  designed for UP systems from which real-time response
+	  is not required.  This option greatly reduces the
+	  memory footprint of RCU.
+
 endchoice
 
 config RCU_TRACE