Danny Ray Sutherland

Virtual storage computer system having methods and apparatus for providing token-controlled access to protected pages of memory via a token-accessible view

Managing unvirtualized data pages in real storage

Method and apparatus for rapid data copying using reassigned backing pages

Sharing segments of storage by enabling the sharing of page tables

Tail compression of a sparse log stream of a multisystem environment

System of compressing the tail of a sparse log stream of a multisystem environment

System for designating real main storage addresses in instructions while dynamic address translation is on

Virtual memory structure

One system of a multisystem environment taking over log entries owned by another system

Excessive spin detection and avoidance for systems using a least recently used page replacement algorithm