virtionet: convert to SKB paged frag API.

Signed-off-by: NIan Campbell <ian.campbell@citrix.com>
Cc: Rusty Russell <rusty@rustcorp.com.au>
Cc: "Michael S. Tsirkin" <mst@redhat.com>
Cc: virtualization@lists.linux-foundation.org
Cc: netdev@vger.kernel.org
Signed-off-by: NDavid S. Miller <davem@davemloft.net>

drivers/net/virtio_net.c

@@ -149,7 +149,7 @@ static void set_skb_frag(struct sk_buff *skb, struct page *page,
 	f = &skb_shinfo(skb)->frags[i];
 	f->size = min((unsigned)PAGE_SIZE - offset, *len);
 	f->page_offset = offset;
-	f->page = page;
+	__skb_frag_set_page(f, page);
 
 	skb->data_len += f->size;
 	skb->len += f->size;