Most ramdisks map memory non-pageable. So, no matter how long those files have been sitting around, they will still be memory-resident, even long past the the t

Most ramdisks map memory non-pageable. So, no matter how long those files have been sitting around, they will still be memory-resident, even long past the the time the files would either be not in the on-disk cache or still held in memory by the OS cache manager.