SYSTEMS AND METHODS FOR INVALIDATING DIRECTORY OF NON-HOME LOCATIONS WAYS

Systems and methods for invalidating a way of a directory for non-home locations (DNHL) set that stores an identifier of a home location of an address is disclosed. As a part of a method, a request to store data in a location of a special cache that is being tracked by the way of the DNHL set is accessed, it is determined if an address stored in the location of the special cache is stored in a non-home location, a DNHL set is identified that tracks the location of the special cache if the address is not stored in a non-home location, and a set and way of the location of the special cache is compared with a set and way identifier stored in each way of the DNHL set. The way of the DNHL set that stores a matching set and way identifier is invalidated.