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    SubjectRe: [DMESG] cpumask_t in action
    On Thu, 6 Nov 2003, Matthew Wilcox wrote:

    > > ACPI: SRAT Processor (id[0x00] eid[0x00]) in proximity domain 0 enabled
    > > ACPI: SRAT Processor (id[0x20] eid[0x00]) in proximity domain 0 enabled
    [...]
    > > ACPI: SRAT Processor (id[0x00] eid[0x5e]) in proximity domain 47 enabled
    > > ACPI: SRAT Processor (id[0x20] eid[0x5e]) in proximity domain 47 enabled
    >
    > ... for example ;-) 96 lines which honestly tell me nothing.
    >
    > > ACPI: SRAT Memory (0x0000003000000000 length 0x0000001000000000 type 0x1) in proximity domain 0 enabled
    > > ACPI: SRAT Memory (0x000000b000000000 length 0x0000001000000000 type 0x1) in proximity domain 1 enabled
    > [ snip 44 lines ]
    > > ACPI: SRAT Memory (0x0000173000000000 length 0x0000001000000000 type 0x1) in proximity domain 46 enabled
    > > ACPI: SRAT Memory (0x000017b000000000 length 0x0000001000000000 type 0x1) in proximity domain 47 enabled
    >
    > ... and again.
    >
    These lines show you the numa topology of your machine (in our case, we
    have 2 CPUS per domain, and a memory area).
    This is quite a big piece of information about hardware. Even if it is
    quite long, I think it should be part of the ACPI information.

    Sylvain

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