linux-kernel - Re: [PATCH 2/2] openrisc: mm/init.c: remove unused variable 'end' in paging

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Message-ID: <YJhRjTPdJbjI5iyj@antec>
Date:   Mon, 10 May 2021 06:18:05 +0900
From:   Stafford Horne <shorne@...il.com>
To:     Mike Rapoport <rppt@...nel.org>
Cc:     Jonas Bonn <jonas@...thpole.se>,
        Stefan Kristiansson <stefan.kristiansson@...nalahti.fi>,
        Mike Rapoport <rppt@...ux.ibm.com>,
        openrisc@...ts.librecores.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 2/2] openrisc: mm/init.c: remove unused variable 'end' in
 paging_init()

On Sun, May 09, 2021 at 12:11:03PM +0300, Mike Rapoport wrote:
> From: Mike Rapoport <rppt@...ux.ibm.com>
> 
> A build with W=1 enabled produces the following warning:
> 
>   CC      arch/openrisc/mm/init.o
> arch/openrisc/mm/init.c: In function 'paging_init':
> arch/openrisc/mm/init.c:131:16: warning: variable 'end' set but not used [-Wunused-but-set-variable]
>   131 |  unsigned long end;
>       |                ^~~
> 
> Remove the unused variable 'end'.
> 
> Signed-off-by: Mike Rapoport <rppt@...ux.ibm.com>
> ---
>  arch/openrisc/mm/init.c | 3 ---
>  1 file changed, 3 deletions(-)
> 
> diff --git a/arch/openrisc/mm/init.c b/arch/openrisc/mm/init.c
> index f3fa02b8838a..6e38ec96cab8 100644
> --- a/arch/openrisc/mm/init.c
> +++ b/arch/openrisc/mm/init.c
> @@ -128,7 +128,6 @@ void __init paging_init(void)
>  {
>  	extern void tlb_init(void);
>  
> -	unsigned long end;
>  	int i;
>  
>  	printk(KERN_INFO "Setting up paging and PTEs.\n");
> @@ -144,8 +143,6 @@ void __init paging_init(void)
>  	 */
>  	current_pgd[smp_processor_id()] = init_mm.pgd;
>  
> -	end = (unsigned long)__va(max_low_pfn * PAGE_SIZE);
> -
>  	map_ram();
>  
>  	zone_sizes_init();

Thanks, I will queue this in the openrisc fixes queue.

-Stafford