--- linux-3.10/drivers/net/avm_cpmac/common/avmnet_config.c
+++ linux-3.10/drivers/net/avm_cpmac/common/avmnet_config.c
@@ -857,6 +857,7 @@
     }
 
     AVMNET_INFO("[%s] done\n", __func__ );
+    AVMNET_WARN("AVMNET: compiled with sizeof(struct sk_buff) = %d\n", sizeof(struct sk_buff));
     return 0;
 }
 arch_initcall(avmnet_cfg_init);