linux-kernel - Re: [PATCH v6 3/3] ARM: mm: use static_vm for managing static mapped areas

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Date:	Sat, 16 Feb 2013 12:52:05 +0000
From:	Russell King - ARM Linux <linux@....linux.org.uk>
To:	Arnd Bergmann <arnd@...db.de>
Cc:	linux-arm-kernel@...ts.infradead.org,
	Joonsoo Kim <iamjoonsoo.kim@....com>, js1304@...il.com,
	Nicolas Pitre <nico@...aro.org>,
	Catalin Marinas <catalin.marinas@....com>,
	Will Deacon <will.deacon@....com>,
	linux-kernel@...r.kernel.org, Rob Herring <rob.herring@...xeda.com>
Subject: Re: [PATCH v6 3/3] ARM: mm: use static_vm for managing static
	mapped areas

On Sat, Feb 16, 2013 at 12:49:08PM +0000, Arnd Bergmann wrote:
> 8<-----
> ARM: mm: remove unused variables in pci_reserve_io
> 
> Patch "ARM: 7646/1: mm: use static_vm for managing static mapped areas"
> removed code from pci_reserve_io but left variable declarations
> in place that are now unused, as gcc correctly warns.
> 
> Signed-off-by: Arnd Bergmann <arnd@...db.de>
> 
> diff --git a/arch/arm/mm/mmu.c b/arch/arm/mm/mmu.c
> index c6fe15a..c6d45c8 100644
> --- a/arch/arm/mm/mmu.c
> +++ b/arch/arm/mm/mmu.c
> @@ -901,8 +901,6 @@ static void __init fill_pmd_gaps(void)
>  #if defined(CONFIG_PCI) && !defined(CONFIG_NEED_MACH_IO_H)
>  static void __init pci_reserve_io(void)
>  {
> -	struct vm_struct *vm;
> -	unsigned long addr;
>  	struct static_vm *svm;
>  
>  	svm = find_static_vm_vaddr((void *)PCI_IO_VIRT_BASE);

I already have such a patch in my tree - may not have pushed it out
as I've been ill (and am still recovering.)
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