From: Eric Dumazet <dada1@cosmosbay.com>
Date: Wed, 18 Feb 2009 16:47:50 +0000 (+0100)
Subject: netfilter: arp_tables: unfold two critical loops in arp_packet_match()
X-Git-Tag: v2.6.30-rc1~662^2~48^2~34
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=ddc214c43a923e89741e04da2f10e3037a64e222;p=pandora-kernel.git

netfilter: arp_tables: unfold two critical loops in arp_packet_match()

x86 and powerpc can perform long word accesses in an efficient maner.
We can use this to unroll two loops in arp_packet_match(), to
perform arithmetic on long words instead of bytes. This is a win
on x86_64 for example.

Signed-off-by: Eric Dumazet <dada1@cosmosbay.com>
Signed-off-by: Patrick McHardy <kaber@trash.net>
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