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SubjectRe: HZ, preferably as small as possible
> Uh, HZ is not scheduler calls per second.
> Neither exactly is it interrupts per second, but _timer_ interrupts per
> second. It is the frequency of the timer interrupt.

Its not exactly that either. Its 'rate at which jiffies is incremented'.
The distinction is not pedantic its rather critical when you go to a
variable timer tick...

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