[PATCH 2/2] [POWERPC] Size swapper_pg_dir correctly

[Kumar Gala]

On Aug 23, 2007, at 1:13 AM, Stephen Rothwell wrote:

> On Wed, 22 Aug 2007 22:26:35 -0500 Kumar Gala  
> <galak at kernel.crashing.org> wrote:
>>
>>> +#ifdef CONFIG_PPC64
>>> +	DEFINE(PGD_TABLE_SIZE, PGD_TABLE_SIZE);
>>> +#endif
>>
>> Why limit this to ppc64?  The cleanup should be reasonable for all  
>> ppc.
>
> Because PGD_TABLE_SIZE only exists for ppc64 :-) for ppc32 the
> swapper_pg_dir will always be 1 page, right?

No, it can be 2 pages if we do > 32-bit physical on 44x/fsl_booke.

> So we could have
> #define PGD_TABLE_SIZE PAGE_SIZE
> for 32 bit and then go around and change the swapper_pg_dir's, but  
> that
> would be a separate patch.

- k