net: hns3: unify the page reusing for page size 4K and 64K

				struct hns3_enet_ring *ring, int pull_len,

				struct hns3_desc_cb *desc_cb)

{

	struct hns3_desc *desc;

	u32 truesize;

	int size;

	int last_offset;

	bool twobufs;

	twobufs = ((PAGE_SIZE < 8192) &&

		hnae3_buf_size(ring) == HNS3_BUFFER_SIZE_2048);

	desc = &ring->desc[ring->next_to_clean];

	size = le16_to_cpu(desc->rx.size);

	truesize = hnae3_buf_size(ring);

	if (!twobufs)

		last_offset = hnae3_page_size(ring) - hnae3_buf_size(ring);

	struct hns3_desc *desc = &ring->desc[ring->next_to_clean];

	int size = le16_to_cpu(desc->rx.size);

	u32 truesize = hnae3_buf_size(ring);

	skb_add_rx_frag(skb, i, desc_cb->priv, desc_cb->page_offset + pull_len,

			size - pull_len, truesize);

	 /* Avoid re-using remote pages,flag default unreuse */

	if (unlikely(page_to_nid(desc_cb->priv) != numa_node_id()))

		return;

	if (twobufs) {

		/* If we are only owner of page we can reuse it */

		if (likely(page_count(desc_cb->priv) == 1)) {

			/* Flip page offset to other buffer */

			desc_cb->page_offset ^= truesize;

			desc_cb->reuse_flag = 1;

			/* bump ref count on page before it is given*/

			get_page(desc_cb->priv);

		}

	/* Avoid re-using remote pages, or the stack is still using the page

	 * when page_offset rollback to zero, flag default unreuse

	 */

	if (unlikely(page_to_nid(desc_cb->priv) != numa_node_id()) ||

	    (!desc_cb->page_offset && page_count(desc_cb->priv) > 1))

		return;

	}

	/* Move offset up to the next cache line */

	desc_cb->page_offset += truesize;

	if (desc_cb->page_offset <= last_offset) {

	if (desc_cb->page_offset + truesize <= hnae3_page_size(ring)) {

		desc_cb->reuse_flag = 1;

		/* Bump ref count on page before it is given*/

		get_page(desc_cb->priv);

	} else if (page_count(desc_cb->priv) == 1) {

		desc_cb->reuse_flag = 1;

		desc_cb->page_offset = 0;

		get_page(desc_cb->priv);

	}

}