On Friday 16 November 2007 16:45:16 H. Peter Anvin wrote:
> Andi Kleen wrote:
> >> I think Jeremy's question was due to trying to reduce the 32/64-bit
> >> differences. Performance-wise, it might add a small amount to user
> >> setup time (a typical 32-bit process will need all four, for the main
> >> binary, libraries, stack and kernel, respectively)
> >
> > With the new top down mmap layout and standard 3:1 split it should typically
> > only need two.
> >
>
> Well, three with the kernel.
I didn't count kernel because it is always fixed anyways and about zero
overhead for the normal setup case.
-Andi
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