Different Page Size Support in Linux on PPC870

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* Different Page Size Support in Linux on PPC870
@ 2006-03-04  2:38 atul.sabharwal
  2006-03-04 17:11 ` Dan Malek
  0 siblings, 1 reply; 2+ messages in thread
From: atul.sabharwal @ 2006-03-04  2:38 UTC (permalink / raw)
  To: wd; +Cc: linuxppc-embedded

On PPC870, does the kernel only support 4K pages?  To reduce the size of
page table (level & level 2), would 8M page be a better choice on a
custom=20
board? It's a no swap configuration. Memory load is critical in our
design on this project.

Comments?

Thanks,

Atul

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

* Re: Different Page Size Support in Linux on PPC870
  2006-03-04  2:38 Different Page Size Support in Linux on PPC870 atul.sabharwal
@ 2006-03-04 17:11 ` Dan Malek
  0 siblings, 0 replies; 2+ messages in thread
From: Dan Malek @ 2006-03-04 17:11 UTC (permalink / raw)
  To: atul.sabharwal; +Cc: linuxppc-embedded

On Mar 3, 2006, at 9:38 PM, <atul.sabharwal@exgate.tek.com> wrote:

> On PPC870, does the kernel only support 4K pages?

The CONFIG_PIN_TLB will get you 8M pages for the kernel
space, and likely be a good solution for you.  We have experimented
with various dynamic replace methods for the past several years,
but I still haven't found a solution I like.

	-- Dan

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

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