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Date: Sat, 16 Feb 2013 12:52:05 +0000
From: Russell King - ARM Linux <linux@arm.linux.org.uk>
To: Arnd Bergmann <arnd@arndb.de>
Cc: linux-arm-kernel@lists.infradead.org, Joonsoo Kim <iamjoonsoo.kim@lge.com>,
        js1304@gmail.com, Nicolas Pitre <nico@linaro.org>,
        Catalin Marinas <catalin.marinas@arm.com>,
        Will Deacon <will.deacon@arm.com>, linux-kernel@vger.kernel.org,
        Rob Herring <rob.herring@calxeda.com>
Subject: Re: [PATCH v6 3/3] ARM: mm: use static_vm for managing static
	mapped areas
Message-ID: <20130216125205.GO17833@n2100.arm.linux.org.uk>
References: <1360142010-10598-1-git-send-email-iamjoonsoo.kim@lge.com> <1360142010-10598-4-git-send-email-iamjoonsoo.kim@lge.com> <201302161249.08597.arnd@arndb.de>
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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@arndb.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.)