static inline void slot_queue_add(struct sfq_slot *slot, struct sk_buff *skb)
{
	skb->prev = slot->skblist_prev;
	skb->next = (struct sk_buff *)slot;
	slot->skblist_prev->next = skb;
	slot->skblist_prev = skb;
}
static inline void slot_queue_add(struct sfq_slot *slot, struct sk_buff *skb)
{
	skb->prev = slot->skblist_prev;
	skb->next = (struct sk_buff *)slot;
	slot->skblist_prev->next = skb;
	slot->skblist_prev = skb;
}