[PATCH v2] POWERPC: Allow 32-bit pgtable code to support 36-bit physical

[Becky Bruce]

On Sep 2, 2008, at 4:21 PM, Benjamin Herrenschmidt wrote:

>
>> The reason I did that was to distinguish between the size of a
>> software PTE entry, and the actual size of the hardware entry.  In  
>> the
>> case of 36b physical, the hardware PTE size is the same as it always
>> is; but we've grown the Linux PTE.  We can call it something else, or
>> I can change as you suggest; I was worried that the next person to
>> come along might get confused.  I suppose there aren't too many of us
>> that are crazy enough to muck around in this code, so maybe it's not
>> that big of a deal.
>
> We already called "PTE" the linux entry everywhere so hopefully there
> should be no confusion. We call "HPTE" the hash table ones.

Actually, PTE_SIZE is already defined in hash_low_32.S, and it's the  
size of the HPTE.  I'll rename that to HPTE_SIZE and use PTE_SIZE for  
the linux PTE.

-Becky