[libvirt] [Qemu-devel] incorrect memory size inside vm

[Vasiliy Tolstov]

2015-06-17 17:09 GMT+03:00 Andrey Korolyov <andrey at xdel.ru>:
> The rest of visible memory is eaten by reserved kernel areas, for us
> this was a main reason to switch to a hotplug a couple of years ago.
> You would not be able to scale a VM by an order of magnitude with
> regular balloon mechanism without mentioned impact, unfortunately.
> Igor Mammedov posted hotplug-related patches for 2.6.32 a while ago,
> though RHEL6 never adopted them by some reason.


Hmm.. Thanks for info, from what version of kernel memory hotplug works?

-- 
Vasiliy Tolstov,
e-mail: v.tolstov at selfip.ru