[$] Exposing storage devices as memory

Storage devices are in a period of extensive change. As theyget faster and become byte-addressable by the CPU, they tend to lookincreasingly like ordinary memory. But they aren't memory, so it stillisn't clear what the best model for accessing them should be. AdamManzanares led a session during the memory-management track of the 2018Linux Storage, Filesystem, and Memory-Management Summit, where his proposalof a new access mechanism ran into some skepticism.