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:
Sep. 30, 2008
Filed:
May. 20, 2005
Kohta Nakashima, Kawasaki, JP;
Shinji Sumimoto, Kawasaki, JP;
Kouichi Kumon, Kawasaki, JP;
Fujitsu Limited, Kawasaki, JP;
Abstract
A computer system including input/output devices that transfer data and a computer that controls a process using a virtual storage and inputs data to and outputs data from a medium, wherein the input/output devices and the computer include address conversion tables for converting a virtual address into an actual address, the computer requests all the input/output devices to permit page operation such as page-out processing, processing for deleting a virtual address space following termination of a process, and processing for changing a page, the input/output devices perform operation for the address conversion tables in response to a request from the computer and notifies the computer of permission of the page operation, and, when the permission for the page operation is obtained from all the input/output devices, the computer performs operation for the address conversion table and performs page operation.