linux-kernel - Re: [PATCH] kernel/cpu.c

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Date:	Fri, 19 Nov 2010 12:24:21 +0600
From:	Rakib Mullick <rakib.mullick@...il.com>
To:	Anand Gadiyar <gadiyar@...com>
Cc:	linux-kernel@...r.kernel.org, linux-next@...r.kernel.org,
	Peter Zijlstra <a.p.zijlstra@...llo.nl>,
	Ingo Molnar <mingo@...e.hu>
Subject: Re: [PATCH] kernel/cpu.c - fix build warning

On 11/19/10, Anand Gadiyar <gadiyar@...com> wrote:
> Patch "sched: Simplify cpu-hot-unplug task migration" in
> linux-next as of 20101119 introduced the following compile
> warning. Fix this.
>
>   CC      kernel/cpu.o
> kernel/cpu.c: In function 'take_cpu_down':
> kernel/cpu.c:200: warning: unused variable 'cpu'
>
It's been already fixed by http://lkml.org/lkml/2010/11/18/314.


thanks,
rakib

> Signed-off-by: Anand Gadiyar <gadiyar@...com>
> Cc: Peter Zijlstra <a.p.zijlstra@...llo.nl>
> Cc: Ingo Molnar <mingo@...e.hu>
> ---
> Okay with me to fold this into the original patch if that's
> still possible.
>
>  kernel/cpu.c |    1 -
>  1 file changed, 1 deletion(-)
>
> Index: linux-2.6/kernel/cpu.c
> ===================================================================
> --- linux-2.6.orig/kernel/cpu.c
> +++ linux-2.6/kernel/cpu.c
> @@ -197,7 +197,6 @@ struct take_cpu_down_param {
>  static int __ref take_cpu_down(void *_param)
>  {
>  	struct take_cpu_down_param *param = _param;
> -	unsigned int cpu = (unsigned long)param->hcpu;
>  	int err;
>
>  	/* Ensure this CPU doesn't handle any more interrupts. */
> --
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