Re: [Xen-users] "dynamic memory allocation" for windows guests?

[Mike McClurg <mike.mcclurg@xxxxxxxxxx>]

On 10/02/13 11:20, Peter Gansterer wrote:
> Hi again,
>
> Are there really no hints about this topic?
>
> It would also be useful to definitely know there is no solution for what we are 
> looking for - or even input as to why this wouldn't work.
> Otherwise we'd think about trying it on our own.
You should look into the Xen Cloud Platform (XCP) [1], which has a 
feature called Dynamic Memory Control, or memory ballooning [2]. It 
requires you to install special PV drivers in your Windows guest. One of 
these drivers is a ballooning daemon, which allocates a range of memory 
from the guest OS, and then gives that memory back to Xen, which gives 
the physical memory backed by that memory region to other guests. See 
[2], "How do balloon drivers work and what is a memory balloon" for more 
details.
Mike

[1] http://wiki.xen.org/wiki/XCP_Overview
[2] http://wiki.xen.org/wiki/Dynamic_Memory_Control

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