[NETLIK]: Add a pointer to the Generic Netlink wiki page.

Add a pointer to the OSDL wiki page on Generic Netlink.

Signed-off-by: Paul Moore <paul.moore@hp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/Documentation/networking/generic_netlink.txt b/Documentation/networking/generic_netlink.txt
new file mode 100644
index 0000000..d4f8b8b
--- /dev/null
+++ b/Documentation/networking/generic_netlink.txt
@@ -0,0 +1,3 @@
+A wiki document on how to use Generic Netlink can be found here:
+
+ * http://linux-net.osdl.org/index.php/Generic_Netlink_HOWTO