Re: [Xen-devel] [Minios-devel] [PATCH v3 00/19] mini-os: support of auto-ballooning

[Wei Liu <wei.liu2@xxxxxxxxxx>]

On Thu, Aug 11, 2016 at 11:18:03AM +0200, Juergen Gross wrote:
> Support ballooning Mini-OS automatically up in case of memory shortage.
> 
> Do some cleanups, a small correction and add some basic features to
> lay groundwork for support of ballooning in Mini-OS (patches 1-14).
> 
> The main visible change is the virtual memory layout: to be able to
> add memory to the running Mini-OS we need to have some spare areas
> especially after the 1:1 mapping of physical memory.
> 
> Then add the ballooning functionality: the p2m map must be expanded,
> the page allocator's bitmap must  be expanded and we must get new
> memory from the hypervisor.
> 
> In case of a detected memory shortage the domain will balloon up until
> either enough memory is available or the upper limit has been reached.
> 
> Ballooning has been tested with a xenstore stubdom.
> Regression tests have been done with:
> - pure mini-os
> - ioemu stubdom
> - pvgrub 64 bit
> 

Unfortunately vtmpmgr stubdom build failed. :-/

Wei.

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