/* Align an sk_buff to a boundary power of 2  */
static void my_skb_align(struct sk_buff *skb, int n)
/* Align an sk_buff to a boundary power of 2  */
static void my_skb_align(struct sk_buff *skb, int n)
{
	unsigned long x = (unsigned long)skb->data;
	unsigned long v;
	v = ALIGN(x, n);
	skb_reserve(skb, v - x);
}