Andi Kleen wrote:
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.
Of course, but it was in the original list so...
-hpa
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