Somehow a LRU-algorithm makes the most sense, if only Linux and humans would have a common definition of what "recently used" means here. And if applications ha

Somehow a LRU-algorithm makes the most sense, if only Linux and humans would have a common definition of what "recently used" means here. And if applications had safe-shutdown and restart on demand mechanisms. On a high level of abstraction this is how a lot of VMs deal with things, such as tabs in your browser or open apps on your smartphone.