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    SubjectRe: [thiscpuops upgrade 10/10] Lockless (and preemptless) fastpaths for slub
    On Wed, 24 Nov 2010, Eric Dumazet wrote:

    > Hmm, this only works for power of two NR_CPUS, or else one cpu 'tid'
    > could wrap on another cpu tid.

    Hmm... That essentially like using a bitfield then.

    > I suggest using 4096 (or roundup_pow_of_two(CONFIG_NR_CPUS))

    There could be machines with 64k cpus soon. So I guess roundupp2 it will
    have to be.

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      Last update: 2010-11-24 04:15    [W:0.018 / U:34.104 seconds]
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