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  3. November 2004

RE: Why separate pools?

I agree with your first sentence but not your second.  I'd like to hear
from someone at IBM definitively stating whether you can have only one
or more than one copy of a virtual object in real memory.

My suspicion is that at least for programs you can have more than one.

Joe

> From: Alexei Pytel
> 
> Single level storage means that all obejcts reside in a single virtual
> address space and every byte of every object on system has one unique
> address - in virtual memory.
> One virtual address can have at most one real address - none if this
page
> was not brought into real storage, exactly one if it was brought in.

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