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SubjectRe: Minor numbers
> > 20:12 is more common
> Which is major, which is minor?

20bit major

> I have one (private) driver that requires around 5000 minors.
> (currently through some 20 majors) (Currently only just over half of
> these are physically installed....)

Just use several. The split is a bit vague in modern OS's - because its
really now heirarchical in many of them - eg the solaris controller, bus,
unit, lun, .. thing.

I guess it went the way of classed addressing

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