it was not the whole truth that kernel mode cannot be used with swap on LVM
Signed-off-by: NUwe Geuder <linuxkernel2015-ugeuder@snkmail.com>
Acked-by: NPavel Machek <pavel@ucw.cz>
Signed-off-by: NRafael J. Wysocki <rafael.j.wysocki@intel.com>