tree a0a828616b4645b5843b62de87321857096ae7a5
parent 74766013a131f1e1c2fe8fd138e12841eb708060
author Alexander Duyck <alexander.h.duyck@intel.com> 1244131189 +0000
committer David S. Miller <davem@davemloft.net> 1244377220 -0700

ixgbe: use rx_buffer_info->dma instead of nr_frags to determine skb unmap

This patch changes the driver so that it uses rx_buffer_info->dma to
determine if it needs to unmap the page instead of sh_info->nr_frags.  This
helps to prevent a cache line miss when receiving small packets as the
rx_buffer_info data should already be in the cache.

Signed-off-by: Alexander Duyck <alexander.h.duyck@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>