-$(eval $(call nf_add,IPT_CONNTRACK_EXTRA,CONFIG_NETFILTER_XT_TARGET_CONNMARK, $(P_XT)xt_CONNMARK))
-
+ifeq ($(strip $(call CompareKernelPatchVer,$(KERNEL_PATCHVER),ge,2.6.35)),1)
+ $(eval $(call nf_add,IPT_CONNTRACK_EXTRA,CONFIG_NETFILTER_XT_TARGET_CONNMARK, $(P_XT)xt_connmark))
+else
+ $(eval $(call nf_add,IPT_CONNTRACK_EXTRA,CONFIG_NETFILTER_XT_TARGET_CONNMARK, $(P_XT)xt_CONNMARK))
+endif