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    SubjectRe: [2.4.17/18pre] VM and swap - it's really unusable
    On Tue, 2002-01-08 at 19:29, John Alvord wrote:

    > The best part about planned preemption points is that there is minimal
    > state to save when an interruption occurs.

    Actually, both preempt-kernel and low-latency do about the same amount
    of work re saving state.

    With preempt-kernel, when a task is preempted in-kernel we AND a flag
    value into the preempt count. That is all we need to keep track of

    With low-latency, the task state is set to TASK_RUNNING (which is a
    precautionary measure). So it is about the same, although low-latency
    (and lock-break) often also have to do various setup with the locks and

    Robert Love

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