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    SubjectRe: Modules and the Interfaces who Love Them (Take I)
    Rusty Russell wrote:

    > Slow: Your approach where every interface has to do reference counts
    > even though they're only useful for modules makes every interface
    > slow, whether they are using modules or not. You can't make them
    > fast, because that would make every interface NR_CPUS *
    > sizeof(cacheline) larger.

    (tangent alert)

    Objects controlled by interfaces typically should be ref-counted...
    life in the kernel is slowly getting better WRT this, but we're not
    there yet. In any case, the ref counts help, not hurt.


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