From mboxrd@z Thu Jan  1 00:00:00 1970
From: Eric Dumazet <eric.dumazet@gmail.com>
Subject: Re: [PATCH] sysctl: fix min/max handling in
 __do_proc_doulongvec_minmax()
Date: Mon, 04 Oct 2010 12:38:21 +0200
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Cc: Robin Holt <holt@sgi.com>,
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	"David S. Miller" <davem@davemloft.net>, netdev@vger.kernel.org,
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	Patrick McHardy <kaber@trash.net>,
	Alexey Kuznetsov <kuznet@ms2.inr.ac.ru>
To: =?ISO-8859-1?Q?Am=E9rico?= Wang <xiyou.wangcong@gmail.com>
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Le lundi 04 octobre 2010 =C3=A0 18:35 +0800, Am=C3=A9rico Wang a =C3=A9=
crit :

> Your patch does fix the problem, but seems not a good solution,
> we should skip all min/max checking if ->extra(1|2) is NULL,
> instead of checking it every time within the loop.

Please do submit a patch, we'll see if you come to a better solution,
with no added code size (this is slow path, I dont care for checking it
'every time winthin the loop')