From: Eric Dumazet <eric.dumazet@gmail.com>
Date: Tue, 10 Jul 2012 19:05:57 +0000 (+0000)
Subject: ipv6: optimize ipv6 addresses compares
X-Git-Tag: v3.6-rc1~125^2~245
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=1a203cb33a7dc791b6c0aedf701e70ac00c50cdb;p=pandora-kernel.git

ipv6: optimize ipv6 addresses compares

On 64 bit arches having efficient unaligned accesses (eg x86_64) we can
use long words to reduce number of instructions for free.

Joe Perches suggested to change ipv6_masked_addr_cmp() to return a bool
instead of 'int', to make sure ipv6_masked_addr_cmp() cannot be used
in a sorting function.

Signed-off-by: Eric Dumazet <edumazet@google.com>
Cc: Joe Perches <joe@perches.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---

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