[Fedora-xen] Page space questions

[Rik van Riel]

On Mon, 27 Mar 2006, Kwan Lowe wrote:

> If this is fatally flawed reasoning, another thought would be to have a 
> monitor process on each DomainU report back to the Domain0. It would 
> send memory commit information which the Domain0 could use to mem-set 
> the DomainU's lower or higher. I'm thinking of a dynamic memory 
> allocation scheme that could better utilize available physical memory.

This idea would work, but the domU that shrinks may still need
to move some data from its memory into its own swap area.

The problem is measuring how much memory each domU really needs.
I've got some ideas on that, which I'll be presenting at this
year's Ottawa Linux Symposium.  Once I've finished writing my
paper I'll start making some info available...

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