diff --git a/include/linux/skbuff.h b/include/linux/skbuff.h
index b66ecc6..4974121 100644
--- a/include/linux/skbuff.h
+++ b/include/linux/skbuff.h
@@ -2840,6 +2840,8 @@
 
 bool skb_partial_csum_set(struct sk_buff *skb, u16 start, u16 off);
 
+u32 __skb_get_poff(const struct sk_buff *skb);
+
 /**
  * skb_head_is_locked - Determine if the skb->head is locked down
  * @skb: skb to check