From: Alexander Duyck <alexander.h.duyck@intel.com>
Date: Tue, 27 Oct 2009 15:51:27 +0000 (+0000)
Subject: igb: change the head and tail offsets into pointers
X-Git-Tag: v2.6.33-rc1~388^2~692
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=fce99e341524c204ef3dd3e7c5f77265a7e05ddd;p=pandora-kernel.git

igb: change the head and tail offsets into pointers

Since we are writting to the head/tail pointers frequently we might as well
save ourselves some processing time by converting the head and tail offsets
directly to pointers.  This will shave a few cycles off the rx/tx path and
allows us to move one step closer to the rings being a bit more independant of
each other.

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>
---

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