--- zzzz-none-000/linux-2.6.32.61/net/core/skb_dma_map.c	2013-06-10 09:43:48.000000000 +0000
+++ virian-300e-630/linux-2.6.32.61/net/core/skb_dma_map.c	2014-09-04 12:44:07.000000000 +0000
@@ -8,6 +8,7 @@
 #include <linux/dma-mapping.h>
 #include <linux/skbuff.h>
 
+#ifndef CONFIG_PRIV_SKB_MEM
 int skb_dma_map(struct device *dev, struct sk_buff *skb,
 		enum dma_data_direction dir)
 {
@@ -63,3 +64,4 @@
 	}
 }
 EXPORT_SYMBOL(skb_dma_unmap);
+#endif