Re: [PATCH UPDATED] x86: set PAE PHYSICAL_MASK_SHIFT to 44 bits.

Jeremy Fitzhardinge
2008-06-06T13:51:36Z

Andi Kleen wrote:
> 43bits might be actally safer because of potential sign bugs.
>
> But of course it won't work anyways likely.
>

I thought about it, but I think we're pretty consistent about putting
pfns into unsigned types. But, yes, you're very marginal at that point.

J