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    SubjectRe: Jiffies Wraparound (was Re: interrupt counts)




    On Mon, 19 Aug 1996, mlord wrote:

    > The one that really worries me is having the "jiffies" wrap around,
    > an event which will happen every 17 months or so on production systems.
    >
    > A *lot* of the kernel will malfunction when that happens.

    I would hope not. We always do diff = jiffies - oldtime; GCC handles
    the wrap correctly (look at the asm output) if all are the same unsigned
    type. What else could go wrong?



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