e500 lowmem & TLBs

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* e500 lowmem & TLBs
@ 2009-10-21 15:52 Aaron Pace
  2009-10-21 20:27 ` Kumar Gala
  0 siblings, 1 reply; 2+ messages in thread
From: Aaron Pace @ 2009-10-21 15:52 UTC (permalink / raw)
  To: linuxppc-dev

Hello,

For the e500 processors, it appears that the first 3 of 16 permanent
TLB entries are used to map lowmem.   Are the other 13 ever used?

Thanks,
-Aaron

^ permalink raw reply	[flat|nested] 2+ messages in thread

* Re: e500 lowmem & TLBs
  2009-10-21 15:52 e500 lowmem & TLBs Aaron Pace
@ 2009-10-21 20:27 ` Kumar Gala
  0 siblings, 0 replies; 2+ messages in thread
From: Kumar Gala @ 2009-10-21 20:27 UTC (permalink / raw)
  To: Aaron Pace; +Cc: linuxppc-dev


On Oct 21, 2009, at 10:52 AM, Aaron Pace wrote:

> Hello,
>
> For the e500 processors, it appears that the first 3 of 16 permanent
> TLB entries are used to map lowmem.   Are the other 13 ever used?
>
not right now.  We intend to use them for hugetlbfs support.

- k

^ permalink raw reply	[flat|nested] 2+ messages in thread

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