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From: David Miller <davem@davemloft.net>
Subject: Re: [PATCH 04/10] sysctl: Fix neighbour table sysctls.
Date: Thu, 09 Aug 2007 18:49:21 -0700 (PDT)
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From: YOSHIFUJI Hideaki / 吉藤英明 <yoshfuji@linux-ipv6.org>
Date: Fri, 10 Aug 2007 10:47:10 +0900 (JST)

> I disagree.  It is bad to remove existing interface.
> Ditto for other patches.

I think perhaps you misunderstand what Eric is doing.

sys_sysctl() isn't working properly for these cases and it is both a
deprecated interface and not worth the pain of adding support
in these cases.

The fact that nobody complains that none of this stuff works
via sys_sysctl() to me proves that it is never used.