Re: [PATCH RESEND 2/6] MIPS: pfn_valid() is broken on low memoryHIGHMEM systems

[David Daney]

On 01/05/2011 11:31 PM, Kevin Cernekee wrote:
[...]
> diff --git a/arch/mips/mm/init.c b/arch/mips/mm/init.c
> index 2efcbd2..18183a4 100644
> --- a/arch/mips/mm/init.c
> +++ b/arch/mips/mm/init.c
> @@ -370,7 +370,7 @@ void __init mem_init(void)
>   #ifdef CONFIG_DISCONTIGMEM
>   #error "CONFIG_HIGHMEM and CONFIG_DISCONTIGMEM dont work together yet"
>   #endif
> -	max_mapnr = highend_pfn;
> +	max_mapnr = highend_pfn ? : max_low_pfn;

That is not standard C.

How about: max_mapnr = highend_pfn ? highend_pfn : max_low_pfn;

David Daney
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