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    SubjectRe: [2.4.17/18pre] VM and swap - it's really unusable
    > low-latency kernel".  Now, IF we can come to this decision, then
    > internal preemption is the way to do it. But it affects ALL kernel

    The pre-empt patches just make things much much harder to debug. They
    remove some of the predictability and the normal call chain following
    goes out of the window because you end up seeing crashes in a thread with
    no idea what ran the microsecond before

    Some of that happens now but this makes it vastly worse.

    The low latency patches don't change the basic predictability and
    debuggability but allow you to hit a 1mS pre-empt target for the general

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