linux-kernel - Re: [PATCH] sysctl: allow embedded targets to disable sysctl

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Date:	Thu, 7 Feb 2008 19:47:35 -0800
From:	Andrew Morton <akpm@...ux-foundation.org>
To:	Holger Schurig <hs4233@...l.mn-solutions.de>
Cc:	Michael Opdenacker <michael-lists@...e-electrons.com>,
	linux-kernel@...r.kernel.org,
	"Eric W. Biederman" <ebiederm@...ssion.com>
Subject: Re: [PATCH] sysctl: allow embedded targets to disable
 sysctl_check.c

On Thu, 7 Feb 2008 14:38:58 +0100 Holger Schurig <hs4233@...l.mn-solutions.de> wrote:

> Disable sysctl_check.c for embedded targets. This saves about about 11 kB
> in .text and another 11 kB in .data on a PXA255 embedded platform.
> 

Nice improvement.  But iirc sysctl_check was overtly a temporary thing.
Eric, was that the intention?

> 
> --- linux.orig/init/Kconfig
> +++ linux/init/Kconfig
> @@ -475,6 +475,17 @@
>  
>  	  If unsure say Y here.
>  
> +config SYSCTL_SYSCALL_CHECK
> +	bool "Sysctl checks" if EMBEDDED
> +	depends on SYSCTL_SYSCALL
> +	default y
> +	---help---
> +	  sys_sysctl uses binary paths that have been found challenging
> +	  to properly maintain and use. This enables checks that help
> +	  you to keep things correct.
> +
> +	  If unsure say Y here.
> +

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