Re: [PATCH] VMware Balloon driver

[Andrew Morton]

On Tue, 06 Apr 2010 01:26:11 +0300
Avi Kivity <avi@xxxxxxxxxx> wrote:

> On 04/06/2010 01:17 AM, Andrew Morton wrote:
> >> The basic idea of the driver is to allow a guest system to give up
> >> memory it isn't using so it can be reused by other virtual machines (or
> >> the host itself).
> >>      
> > So...  does this differ in any fundamental way from what hibernation
> > does, via shrink_all_memory()?
> >    
> 
> Just the _all_ bit, and the fact that we need to report the freed page 
> numbers to the hypervisor.
> 

So...  why not tweak that, rather than implementing some parallel thing?
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