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Message from discussion Virtual address Memory Protection Unit

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From: n...@cam.ac.uk
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Subject: Re: Virtual address Memory Protection Unit
Date: Sat, 23 Jun 2012 05:21:26 +0100 (BST)
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In article <wcctxy3f1bk....@shell01.TheWorld.com>,
Robert A Duff  <bobd...@shell01.TheWorld.com> wrote:
>
>> Simply abandoning the whole demand paging / TLB model in favour of
>> segment authorities (not x86 segments, of course) eliminates the
>> whole horrible mess for essentially no downside.
>
>Could you please explain what you mean by "segment authorities"?
>Putting it in google does not enlighten me.

Essentially TLBs, but referring to Unix-like segments, with
start addresses and lengths; they have had many names over
the years.  So a whole segment would be contiguous.


Regards,
Nick Maclaren.