gve: Allow pageflips on larger pages

Half pages are just used for small enough packets. This change allows
this to also apply for systems with pages larger than 4 KB.

Fixes: 02b0e0c1 ("gve: Rx Buffer Recycling")
Signed-off-by: NJordan Kim <jrkim@google.com>
Signed-off-by: NJeroen de Borst <jeroendb@google.com>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>

drivers/net/ethernet/google/gve/gve_rx.c

@@ -302,7 +302,7 @@ static void gve_rx_flip_buff(struct gve_rx_slot_page_info *page_info, __be64 *sl
 
 static bool gve_rx_can_flip_buffers(struct net_device *netdev)
 {
-	return PAGE_SIZE == 4096
+	return PAGE_SIZE >= 4096
 		? netdev->mtu + GVE_RX_PAD + ETH_HLEN <= PAGE_SIZE / 2 : false;
 }