RE: vm philosophising

From: David Luyer (david_luyer@pacific.net.au)
Date: Fri Jan 18 2002 - 23:49:02 EST


I wrote:
> Alan Cox wrote:
> > > There is another VM that has a property that people would like:
> > > deterministically handling memory exhaustion.
> > > Unfortunately, that VM
> > > probably can't co-exist with over-commit and the
> > > performance gains that
> > > affords.
> >
> > It can definitely co-exist. Overcommit control is just a
> > book keeping
> > exercise on address space commits.

[...]

and the comment I somehow missed putting on the end:

If you want to philosophise about VM strategies, think of
overcommit as "ethernet" and precommit as "token ring".

David.

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