On Fri 14-02-20 23:26:29, kkabe@xxxxxxxxxxx wrote: [...] > [root@localhost ~]# [ 302.391125] hv_balloon: Max. dynamic memory size: 1048576 MB Is this saying that the system might hotplug up to 1TB of memory on this 32b system? Btw. the hotplug support on highmem systems is quite likely to be broken and/or full of corner cases. I seriously doubt this is something anybody should be running in production without a _lot_ of work. Is there any real usecase to run HyperV hotplug on 32b system? -- Michal Hocko SUSE Labs