diff --git a/lib/Kconfig b/lib/Kconfig
index bb1326d..1cfe516 100644
--- a/lib/Kconfig
+++ b/lib/Kconfig
@@ -200,4 +200,7 @@
 config GENERIC_ATOMIC64
        bool
 
+config LRU_CACHE
+	tristate
+
 endmenu