Hibernation is a very nice feature (I use it for laptop and desktop machines) and it requires a swap partition. Also, a encrypted swap is even more important in

Hibernation is a very nice feature (I use it for laptop and desktop machines) and it requires a swap partition. Also, a encrypted swap is even more important in this scenario. In the laptop I'm typing this, swap is one of the partions over a LVM2 physical volume over LUKS.