
void __dev_kfree_skb_irq(struct sk_buff *skb, enum skb_free_reason reason)
{
	unsigned long flags;

	if (unlikely(!skb))
		return;

	if (likely(refcount_read(&skb->users) == 1)) {
		smp_rmb();
		refcount_set(&skb->users, 0);
	} else if (likely(!refcount_dec_and_test(&skb->users))) {
		return;
	}
	get_kfree_skb_cb(skb)->reason = reason;
	local_irq_save(flags);
	skb->next = __this_cpu_read(softnet_data.completion_queue);
	__this_cpu_write(softnet_data.completion_queue, skb);
	raise_softirq_irqoff(NET_TX_SOFTIRQ);
	local_irq_restore(flags);
Unknown