The cur_balloon also increases/decreases with dimm hotplug/unplug.
To be consistent, adjust the value for coldplug too. This was inconsistently
taken care when cur_ballon != memory to begin with. The patch fixes it
irrespective of that.
Signed-off-by: NShivaprasad G Bhat <sbhat@linux.vnet.ibm.com>
Signed-off-by: NPeter Krempa <pkrempa@redhat.com>