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    SubjectRe: [POLL] SLAB : Are the 32 and 192 bytes caches really usefull on x86_64 machines ?
    On 12/28/05, Andreas Kleen <ak@suse.de> wrote:
    > I remember the original slab paper from Bonwick actually mentioned that
    > power of two slabs are the worst choice for a malloc - but for some reason Linux
    > chose them anyways.

    Power of two sizes are bad because memory accesses tend to concentrate
    on the same cache lines but slab coloring should take care of that. So
    I don't think there's a problem with using power of twos for kmalloc()
    caches.

    Pekka
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