Re: [patch] do_no_pfn

[Jes Sorensen]

Robin Holt wrote:
> On Mon, Jun 19, 2006 at 03:06:05PM +0200, Andi Kleen wrote:
>> The big question is - why do you have pages without struct page? 
>> It seems ... wrong.
[snip]
> Are you saying the for the mspec pages we should extend the vmem_map,
> partially populate the regions for the mspec pages, mark those pages as
> uncached and reserved and then turn them over to the uncached allocator?
> Seems like we have done a lot of extra work to put a struct page behind
> a page which requires special handling.

Note that Bjorn Helgas has a case where he needs this as well.

We could fake the pages by giving them a struct page, but it really
makes no point as you say.

Cheers,
Jes
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