[$] Hibernation in the cloud

Hibernation is normally thought of as a laptop feature - and an old and obsolete laptop feature at that. One does not normally consider itto be relevant in cloud settings. But, at the 2020 Power Management and Schedulingin the Linux Kernel summit (OSPM), Andrea Righi argued that there mayactually be a place for hibernation on cloud-based systems if it can bemade to work reliably.