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    SubjectRe: [PATCH] move the kernel to 16MB for NUMA-Q
    Rene Herman wrote:
    > Aligning the kernel image on 4M could gain an additional TLB entry if
    > the kernel image would fit in one (4M aligned) hugepage, but not in the
    > 3M that's left after loading the kernel at 1M physical. And that stuff
    > about the MTRRs...

    Yup. Most CPUs won't actually use a largepage for the kernel if it's
    below 4 MB (2 MB with PAE, so that's what x86-64 uses.)

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      Last update: 2007-06-11 20:01    [W:0.019 / U:7.700 seconds]
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