Hi,
On Fri, Jul 14, 2000 at 08:09:06PM +0200, Andrea Arcangeli wrote:
>
> If somebody developed the code for page->pte reverse lookup I'd love if we
> could synchronize since that is something completly indipendent from its
> possible usages (I've not yet started writing it since I didn't yet
> reached the point where I'll need it but I'm very close). Let's think
> about the simple case of anon pages. SCT said "use the struct page itself
> to encode the VA of the page for unshared anon pages, and keep a separate
> hash of all shared anon ptes.". Problem is that virtual address per se
> it's useless since the 'struct page' doesn't even tell us wich is the MM
> where such VA belongs to.
sct also said to use the per-page address space to point to a per-mm
address space, giving a lookup from page to mm. :-)
--Stephen
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