On Wed, 21 May 2003 18:28:56 PDT, "Martin J. Bligh" wrote:
>> I think the word you're groping for here is "microkernel".
On Wed, May 21, 2003 at 06:44:46PM -0700, Gerrit Huizenga wrote:
> Oh, yeah. Page replacement policy in user level. That one was
> a real winner.
That's incorrect. Page replacement policy at the user-level was
proposed but AIUI not included in Mach. You're thinking of external
pagers, which are grossly inefficient but have only to do with the
I/O to fetch and store pages belonging to a memory object, not with
page replacement. Mach's page replacement policy was global SEGQ.
This is specifically discussed by Vahalia.
-- wli
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