Messages in this thread | | | Date | Fri, 06 Jun 2008 14:50:45 +0100 | From | Jeremy Fitzhardinge <> | Subject | Re: [PATCH UPDATED] x86: set PAE PHYSICAL_MASK_SHIFT to 44 bits. |
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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
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