From f7d6f379db61233a1740cb2c6818b9c97531771f Mon Sep 17 00:00:00 2001
From: Steve Hodgson <shodgson@solarflare.com>
Date: Tue, 1 Jun 2010 11:33:17 +0000
Subject: [PATCH] sfc: Support only two rx buffers per page

- Pull the loop handling into efx_init_rx_buffers_(skb|page)
- Remove rx_queue->buf_page, and associated clean up code
- Remove unmap_addr, since unmap_addr is trivially calculable

This will allow us to recycle discarded buffers directly
from efx_rx_packet(), since will never be in the middle of
splitting a page.

Signed-off-by: Ben Hutchings <bhutchings@solarflare.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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