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Re: CVS commit: src/sys/arch
"Christoph Egger" <Christoph_Egger%gmx.de@localhost> wrote:
> > Hi,
> > Why are any types other than in the pmap different between
> > PAE and !PAE?
> > When this was originally proposed I asked for stuff like
> > paddr_t to be 64 bits no matter what the kernel compile
> > settings where.
> Interesting to hear that from your side. When asked for this
> a debate about overhead started.
Unifying sizes of certain types up to 64-bits would be a good choice
from engineering standpoint. Actually measuring the overhead would
answer whether it is worth.
My bet is that the overhead would be quite low on modern x86 machines.
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