From: Claudiu Manoil <claudiu.manoil@freescale.com>
Date: Tue, 29 Jan 2013 03:55:10 +0000 (+0000)
Subject: gianfar: Optimize struct gfar_priv_tx_q for two cache lines
X-Git-Tag: v3.9-rc1~139^2~225
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=0cd3fdea07d8e0f0f5bac7534892b785af37e387;p=pandora-kernel.git

gianfar: Optimize struct gfar_priv_tx_q for two cache lines

Resize and regroup structure members to eliminate memory holes and
to pack the structure into 2 cache lines (from 3).
tx_ring_size was resized from 4 to 2 bytes and few members were re-grouped
in order to eliminate byte holes and achieve compactness.
Where possible, few members were grouped according to their usage and access
order (i.e. start_xmit vs. clean_tx_ring members), less important members
were pushed at the end.

Signed-off-by: Claudiu Manoil <claudiu.manoil@freescale.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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