Re: [PATCH] arm64/mm: use phys_addr_t

[Mark Rutland]

On Fri, Jan 13, 2017 at 01:59:35PM +0800, miles.chen@xxxxxxxxxxxx wrote:
> From: Miles Chen <miles.chen@xxxxxxxxxxxx>
> 
> Use phys_addr_t instead of unsigned long for the
> return value of __pa(), make code easy to understand.
> 
> Signed-off-by: Miles Chen <miles.chen@xxxxxxxxxxxx>

This looks sensible to me. It's consistent with the types these
variables are compared against, and with the types of function
parameters these are passed as.

Acked-by: Mark Rutland <mark.rutland@xxxxxxx>

Thanks,
Mark.

> ---
>  arch/arm64/mm/mmu.c | 4 ++--
>  1 file changed, 2 insertions(+), 2 deletions(-)
> 
> diff --git a/arch/arm64/mm/mmu.c b/arch/arm64/mm/mmu.c
> index 17243e4..7eb7c21 100644
> --- a/arch/arm64/mm/mmu.c
> +++ b/arch/arm64/mm/mmu.c
> @@ -359,8 +359,8 @@ static void create_mapping_late(phys_addr_t phys, unsigned long virt,
>  
>  static void __init __map_memblock(pgd_t *pgd, phys_addr_t start, phys_addr_t end)
>  {
> -	unsigned long kernel_start = __pa(_text);
> -	unsigned long kernel_end = __pa(__init_begin);
> +	phys_addr_t kernel_start = __pa(_text);
> +	phys_addr_t kernel_end = __pa(__init_begin);
>  
>  	/*
>  	 * Take care not to create a writable alias for the
> -- 
> 1.9.1
> 
> 
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