The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jun. 10, 2003
Filed:
Mar. 01, 2001
Bruce Leroy Beukema, Hayfield, MN (US);
David F. Craddock, New Paltz, NY (US);
Ronald Edward Fuhs, Rochester, MN (US);
Thomas Anthony Gregg, Highland, NY (US);
Renato John Recio, Austin, TX (US);
Steven L. Rogers, Rochester, MN (US);
Bruce Marshall Walk, Rochester, MN (US);
International Business Machines Corporation, Armonk, NY (US);
Abstract
A method, system and program for controlling access to computer memory are provided. The present invention comprises receiving a work request from a user, wherein the work request comprises an index portion and a protection portion. The index portion of the work request is used to locate an element in an address translation and protection table. The protection portion of the work request is then compared with a protection key in the table element, and access to memory is granted only if the protection portion and protection key match.