On Monday 23 January 2006 17:58, Ray Bryant wrote:
<snip>
> ... And what kind of alignment constraints do we end up
> under in order to make the sharing happen? (My guess would be that there
> aren't any such constraints (well, page alignment.. :-) if we are just
> sharing pte's.)
>
Oh, obviously that is not right as you have to share full pte pages. So on
x86_64 I'm guessing one needs 2MB alignment in order to get the sharing to
kick in, since a pte page maps 512 pages of 4 KB each.
Best Regards,
--
Ray Bryant
AMD Performance Labs Austin, Tx
512-602-0038 (o) 512-507-7807 (c)
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