From: Alexey Dobriyan <adobriyan@gmail.com>
Date: Tue, 22 Nov 2011 06:46:02 +0000 (+0000)
Subject: xfrm: optimize ipv4 selector matching
X-Git-Tag: v3.3-rc1~182^2~517
X-Git-Url: https://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=26bff940dd975499c6c47438d4395d7d215911e8;p=pandora-kernel.git

xfrm: optimize ipv4 selector matching

Current addr_match() is errh, under-optimized.

Compiler doesn't know that memcmp() branch doesn't trigger for IPv4.
Also, pass addresses by value -- they fit into register.

Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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