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:
Aug. 12, 2014
Filed:
Dec. 16, 2010
Megumi Ito, Yamato, JP;
Takeshi Ogasawara, Yamato, JP;
Megumi Ito, Yamato, JP;
Takeshi Ogasawara, Yamato, JP;
International Business Machines Corporation, Armonk, NY (US);
Abstract
In a method to accelerate address translation into a physical address, a computer maps a virtual memory area with a large page, the virtual memory area including multiple virtual pages satisfying a predetermined condition and being handled in units of pages, the large page having a larger area than each of the virtual pages, and under a condition in which one of the virtual pages mapped with and included in the large page has a memory protection attribute different from a memory protection attribute of the other virtual page, sets physical memory protection information for protecting a physical page corresponding to the one virtual page having the different memory protection attribute.