linux-kernel - Re: [PATCH 3/4] ARM: nommu: display vectors base

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Date:   Wed, 18 Jan 2017 22:13:15 +0000
From:   Russell King - ARM Linux <linux@...linux.org.uk>
To:     afzal mohammed <afzal.mohd.ma@...il.com>
Cc:     Vladimir Murzin <vladimir.murzin@....com>,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 3/4] ARM: nommu: display vectors base

On Thu, Jan 19, 2017 at 02:08:37AM +0530, afzal mohammed wrote:
> The exception base address is now dynamically estimated for no-MMU
> case, display it.
> 
> Signed-off-by: afzal mohammed <afzal.mohd.ma@...il.com>
> ---
>  arch/arm/mm/init.c | 5 +++++
>  arch/arm/mm/mm.h   | 5 +++--
>  2 files changed, 8 insertions(+), 2 deletions(-)
> 
> diff --git a/arch/arm/mm/init.c b/arch/arm/mm/init.c
> index cf47f86f79ed..9e11f255c3bf 100644
> --- a/arch/arm/mm/init.c
> +++ b/arch/arm/mm/init.c
> @@ -522,7 +522,12 @@ void __init mem_init(void)
>  			"      .data : 0x%p" " - 0x%p" "   (%4td kB)\n"
>  			"       .bss : 0x%p" " - 0x%p" "   (%4td kB)\n",
>  
> +#ifdef CONFIG_MMU
>  			MLK(UL(VECTORS_BASE), UL(VECTORS_BASE) + (PAGE_SIZE)),
> +#else
> +			MLK_ROUNDUP(vectors_base, vectors_base + PAGE_SIZE),

I think MLK() will do here - no need to use the rounding-up version
as PAGE_SIZE is a multiple of 1k.

-- 
RMK's Patch system: http://www.armlinux.org.uk/developer/patches/
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