Messages in this thread | | | From | Andi Kleen <> | Subject | Re: Why preallocate pmd in x86 32-bit PAE? | Date | Fri, 16 Nov 2007 12:16:46 +0100 |
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> 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.
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