From: Eric Dumazet <eric.dumazet@gmail.com>
Date: Fri, 18 Nov 2011 06:47:01 +0000 (+0000)
Subject: tg3: switch to build_skb() infrastructure
X-Git-Tag: v3.3-rc1~182^2~523
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=9205fd9ccab8ef51ad771c1917eed7b2f2225d45;p=pandora-kernel.git

tg3: switch to build_skb() infrastructure

This is very similar to bnx2x conversion, but simpler since no special
alignement is required, so goal was not to reduce skb truesize.

Using build_skb() reduces cache line misses in the driver, since we
use cache hot skb instead of cold ones. Number of in-flight sk_buff
structures is lower, they are more likely recycled in SLUB caches
while still hot.

Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
CC: Matt Carlson <mcarlson@broadcom.com>
CC: Michael Chan <mchan@broadcom.com>
CC: Eilon Greenstein <eilong@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---

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