MemLog: start refactoring to separate descriptors (ran into overzealous cancellation problem)
MemLog: start refactoring to separate descriptors (ran into overzealous cancellation problem)

mit-pdos/fscq-impl,mit-pdos/fscq-impl,mit-pdos/fscq-impl,mit-pdos/fscq-impl,mit-pdos/fscq-impl