diff --git a/include/linux/skbuff.h b/include/linux/skbuff.h
index 23bad3b..fe2c58e 100644
--- a/include/linux/skbuff.h
+++ b/include/linux/skbuff.h
@@ -210,6 +210,7 @@
  *	@nf_bridge: Saved data about a bridged frame - see br_netfilter.c
  *	@tc_index: Traffic control index
  *	@tc_verd: traffic control verdict
+ *	@secmark: security marking
  */
 
 struct sk_buff {
@@ -289,6 +290,9 @@
 #ifdef CONFIG_NET_DMA
 	dma_cookie_t		dma_cookie;
 #endif
+#ifdef CONFIG_NETWORK_SECMARK
+	__u32			secmark;
+#endif
 
 
 	/* These elements must be at the end, see alloc_skb() for details.  */
@@ -1400,5 +1404,23 @@
 static inline void nf_reset(struct sk_buff *skb) {}
 #endif /* CONFIG_NETFILTER */
 
+#ifdef CONFIG_NETWORK_SECMARK
+static inline void skb_copy_secmark(struct sk_buff *to, const struct sk_buff *from)
+{
+	to->secmark = from->secmark;
+}
+
+static inline void skb_init_secmark(struct sk_buff *skb)
+{
+	skb->secmark = 0;
+}
+#else
+static inline void skb_copy_secmark(struct sk_buff *to, const struct sk_buff *from)
+{ }
+
+static inline void skb_init_secmark(struct sk_buff *skb)
+{ }
+#endif
+
 #endif	/* __KERNEL__ */
 #endif	/* _LINUX_SKBUFF_H */