linux-kernel - Re: [PATCH] sysctl.h: Comment out unused constants

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Message-ID: <45B207A4.7030606@student.ltu.se>
Date:	Sat, 20 Jan 2007 13:14:28 +0100
From:	Richard Knutsson <ricknu-0@...dent.ltu.se>
To:	"H. Peter Anvin" <hpa@...or.com>
CC:	ebiederm@...ssion.com, akpm@...l.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] sysctl.h: Comment out unused constants

H. Peter Anvin wrote:
> Richard Knutsson wrote:
>> Comment out unused constants in include/linux/sysctl.h.
>>
>> Signed-off-by: Richard Knutsson <ricknu-0@...dent.ltu.se>
>
> NAK as all hell.
>
> This file exports an interface to userspace, and thus should be 
> maintained indefinitely.
Oh, then I misunderstood Eric W. Bieders' message about comment out 
unused numbers.

But just of interest; what happens when userspace use a number not used 
in the kernel (except in sysctl.h)? Is it just a no-op?

Richard Knutsson

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