[PATCH] Fix PPC440 pagetable attributes

Geoff Levand geoffrey.levand at am.sony.com
Sat Jun 4 08:32:21 EST 2005


Kumar Gala wrote:
> On Jun 3, 2005, at 11:30 AM, Geoff Levand wrote:
>>* With the PPC Book-E Linux implementation, 0-11th LSB of PTE stand 
>>for memory
>>* protection-related function. (See PTE structure in 
>>include/asm-ppc/mmu.h)
>>* Definition of _PAGE_XXX here stands for above bits. Note that those 
>>bits
>>* values are CPU dependent, not architecture.
> 
> 
> That's more reasonable, however I would make it say PPC 44x ... instead 
> of Book-E, the e500 is also a Book-E processor and if you notice if we 
> use a 64-bit PTE we end up using more than the 12 LSBs for PTE flags.
> 

OK, attached is an updated patch.

-Geoff

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