diff --git a/net/netlink/Kconfig b/net/netlink/Kconfig
index 5d6e8c0..2c5e95e 100644
--- a/net/netlink/Kconfig
+++ b/net/netlink/Kconfig
@@ -2,6 +2,15 @@
 # Netlink Sockets
 #
 
+config NETLINK_MMAP
+	bool "NETLINK: mmaped IO"
+	---help---
+	  This option enables support for memory mapped netlink IO. This
+	  reduces overhead by avoiding copying data between kernel- and
+	  userspace.
+
+	  If unsure, say N.
+
 config NETLINK_DIAG
 	tristate "NETLINK: socket monitoring interface"
 	default n