From: Arnd Bergmann <arnd@arndb.de>
To: Fabio Estevam <fabio.estevam@freescale.com>
Subject: Re: [PATCH] sysctl: Fix 'defined but not used' warning
Date: Fri, 5 Oct 2012 18:03:28 +0000
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On Friday 05 October 2012, Fabio Estevam wrote:
> Since commit 4ae834f767(sched/numa: Implement NUMA home-node selection code)
> building a kernel with CONFIG_SMP disabled causes the following warning:
> 
> kernel/sysctl.c:259:12: warning: 'min_sched_tunable_scaling' defined but not used [-Wunused-variable]
> kernel/sysctl.c:260:12: warning: 'max_sched_tunable_scaling' defined but not used [-Wunused-variable]
> 
> Annotate theses variables as '__maybe_unused'.
> 
> Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>

Acked-by: Arnd Bergmann <arnd@arndb.de>

I noticed the same thing and had a different fix for it, but yours is better anyway.
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