--- zzzz-none-000/linux-2.6.39.4/net/ipv4/Makefile	2011-08-03 19:43:28.000000000 +0000
+++ puma6-atom-6490-729/linux-2.6.39.4/net/ipv4/Makefile	2021-11-10 13:38:18.000000000 +0000
@@ -51,3 +51,4 @@
 
 obj-$(CONFIG_XFRM) += xfrm4_policy.o xfrm4_state.o xfrm4_input.o \
 		      xfrm4_output.o
+obj-$(CONFIG_IP_MULTICAST_FASTFORWARD) += mcfastforward.o