From bf18a9f8b32666cb6a4abd3e922c1b7e69735733 Mon Sep 17 00:00:00 2001
From: Eric Dumazet <eric.dumazet@gmail.com>
Date: Thu, 1 Oct 2009 14:37:34 -0700
Subject: [PATCH] tg3: Remove prev_vlan_tag from struct tx_ring_info

prev_vlan_tag field is not used.

Patch saves 512*8 bytes per tx queue ring on 64bit arches.

Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Acked-by: Matthew Carlson <mcarlson@broadcom.com>
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