Re: unify pagetable accessors patch causes double fault II

Jeremy Fitzhardinge
2008-01-14T19:53:19Z

Ingo Molnar wrote:
> would be nice to have some debugging apparatus for bugs like this.
> Perhaps artificially add a large pfn, then convert/unconvert, then
> subtract it and expect the whole transformation to be an identity
> mapping? This way we could simulate most of the effects of >4GB RAM,
> right?

Yeah, good idea. I'll code something up to run at pagetable init time
or something.

J