@@ -449,6 +449,18 @@ void kfree_skb(struct sk_buff *skb)
+ * skb_recycle_check - check if skb can be reused for receive
+ * @skb: buffer
+ * @skb_size: minimum receive buffer size
+ * Checks that the skb passed in is not shared or cloned, and
+ * that it is linear and its head portion at least as large as
+ * skb_size so that it can be recycled as a receive buffer.
+ * If these conditions are met, this function does any necessary
+ * reference count dropping and cleans up the skbuff as if it
+ * just came from __alloc_skb().
int skb_recycle_check(struct sk_buff *skb, int skb_size)
struct skb_shared_info *shinfo;