Re: [PATCH] VMware Balloon driver

[Avi Kivity]

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.

--
Do not meddle in the internals of kernels, for they are subtle and quick to panic.

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