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SubjectRe: dynamic-hz
Andrea Arcangeli <> wrote:
> The patch only does HZ at dynamic time. But of course it's absolutely
> trivial to define it at compile time, it's probably a 3 liner on top of
> my current patch ;). However personally I don't think the three liner
> will worth the few seconds more spent configuring the kernel ;).

We still have 1000-odd places which do things like


which will now involve a runtime divide. The propagation of msleep() and
ssleep() will reduce that a bit, but not much.

It's so simple to turn all those into compile-time divides that we may as
well do it.
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