bury skb_copy_to_page()

	return 0;

}

static inline int skb_copy_to_page(struct sock *sk, char __user *from,

				   struct sk_buff *skb, struct page *page,

				   int off, int copy)

{

	if (skb->ip_summed == CHECKSUM_NONE) {

		int err = 0;

		__wsum csum = csum_and_copy_from_user(from,

						     page_address(page) + off,

							    copy, 0, &err);

		if (err)

			return err;

		skb->csum = csum_block_add(skb->csum, csum, skb->len);

	} else if (copy_from_user(page_address(page) + off, from, copy))

		return -EFAULT;

	skb->len	     += copy;

	skb->data_len	     += copy;

	skb->truesize	     += copy;

	sk->sk_wmem_queued   += copy;

	sk_mem_charge(sk, copy);

	return 0;

}

/**

 * sk_wmem_alloc_get - returns write allocations

 * @sk: socket