Re: [Xen-devel] How to determine memory size in HVM

[Keir Fraser <keir.fraser@xxxxxxxxxxxxx>]

On 09/06/2009 02:59, "James Harper" <james.harper@xxxxxxxxxxxxxxxx> wrote:

> Thanks for that.
> 
> Another question, if I do 'xm mem-set' (without any handling of the
> memory/target value) and then reboot, the system reboots with the new
> target memory value, making it impossible to add memory to the system
> again (under Windows at least). The only way I can think of fixing that
> is to write back to memory/target with the original value just before
> rebooting, but even that could be prone to errors in case of an unclean
> reboot or something... any way around this?

The new HVM populate-on-demand memory support should be able to help. I
suppose also some tools changes may be necessary in conjunction with this.
Or domain config changes. George Dunlap and Steven Smith can probably
advise.

 -- Keir



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