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:
Feb. 28, 2012
Filed:
May. 14, 2009
Scott W. Devine, Katanah, NY (US);
Lawrence S. Rogel, Brookline, MA (US);
Prashanth P. Bungale, Cambridge, MA (US);
Gerald A. Fry, Brighton, MA (US);
Scott W. Devine, Katanah, NY (US);
Lawrence S. Rogel, Brookline, MA (US);
Prashanth P. Bungale, Cambridge, MA (US);
Gerald A. Fry, Brighton, MA (US);
VMware, Inc., Palo Alto, CA (US);
Abstract
In a computing system having virtualization software including a guest operating system (OS), a method for providing page tables that includes: providing a guest page table used by the guest OS and a shadow page table and a shadow page directory used by the virtualization software wherein: at least a portion of the guest page table and the shadow page directory are the same; and the portions that are the same are shared in computer memory by the guest page table and the shadow page directory.