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    SubjectRe: [PATCH] CONFIG_NR_CPUS, redux
    Użytkownik Ruth Ivimey-Cook napisał:
    > On Tue, 11 Jun 2002, Randy.Dunlap wrote:
    >
    >
    >>On 11 Jun 2002, Robert Love wrote:
    >>
    >>| Here are the defaults I picked:
    >>|
    >>| CONFIG_NR_CPUS=32: i386, mips, parisc, ppc, sparc
    >>
    >>I don't know what is "typical" for non-x86, but for x86, why not
    >>use something more like a 'typical' NR_CPUS for SMP, like 8 (?)...
    >>why still waste all of that memory?
    >
    >
    > Perhaps it's just because I'm coming in late, but I cannot understand why
    > NR_CPUS cannot be as low as 4 by default, for all archs, and then in the
    > kernel boot messages, should more be found than is configured for a message is
    > emitted to say "reconfigure your kernel", and continue with the number it was
    > configured for. I personally only rarely see 2-way boxes, 4-way is pretty
    > rare, and anything more must surely count as very specialized.
    >
    > Let the defaults be reasonable for 99% of users (IMO 99.9%), and let the rest
    > have to think about config options...


    Actually 2 would only make sense on Intel.
    Well and then you have to account for the recent
    HT additions so this becoumes 4.
    On Sparc 4 is quite common.
    But anything above is indeed very very rare.


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