Re: [PATCH 1/4] x86: clean up asm-x86/page*.h

[Jeremy Fitzhardinge]

Jan Beulich wrote:
>> --- a/arch/x86/mm/fault_64.c
>> +++ b/arch/x86/mm/fault_64.c
>> @@ -158,22 +158,22 @@ void dump_pagetable(unsigned long addres
>> 	pgd = __va((unsigned long)pgd & PHYSICAL_PAGE_MASK); 
>> 	pgd += pgd_index(address);
>> 	if (bad_address(pgd)) goto bad;
>> -	printk("PGD %lx ", pgd_val(*pgd));
>> +	printk("PGD %lx ", (unsigned long)pgd_val(*pgd));
>>     
>
> Casts like this here and elsewhere look rather odd (in fact I think using
> casts should really be limited to places where you either can't do it
> differently or the code would become badly readable or much uglier
> without them). I would therefore favor simply using the right formatting
> specifier here.

I would agree, but pgd_val() is defined as returning a pgdval_t, which
is typedefed to be unsigned long.  I'll have another look, but I don't
think there's an appropriate format for this.

    J
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