From d57b8fb8a8f94bdf467a4435be7d8bbebf87fe2a Mon Sep 17 00:00:00 2001
From: =?utf8?q?YOSHIFUJI=20Hideaki=20/=20=E5=90=89=E8=97=A4=E8=8B=B1?=
 =?utf8?q?=E6=98=8E?= <yoshfuji@linux-ipv6.org>
Date: Mon, 29 Mar 2010 06:00:05 +0000
Subject: [PATCH] ipv6: Use __fls() instead of fls() in __ipv6_addr_diff().

Because we have ensured that the argument is non-zero,
it is better to use __fls() and generate better code.

Signed-off-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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