[vbox-dev] Transparent Memory Compress

[Klaus Espenlaub]

On 20.01.2011 15:33, Howard Su wrote:
> Does vbox has this feature or in the road-map? If not, someone is
> familiar with the code base can show me some lights on what's the start
> point to add this feature?

What do you mean with "compress" - identifying indentical pages between 
VMs and eliminating the duplicates? That's been added in VBox 3.2, page 
fusion.

True compression of memory pages doesn't sound sensible to me at the VM 
level - we don't know as much about the meaning/use pattern of a memory 
page than the guest OS. Compressing the wrong pages would potentially do 
more harm than good. It's a feature which is popping up in some 
operating systems, and there it makes sense.

Klaus

>
> --
> -Howard
>
>
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