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:
Apr. 23, 1991
Filed:
Oct. 07, 1988
Applicant:
Inventor:
Tomoyuki Ishida, Tokyo, JP;
Assignee:
NEC Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G06F / ;
U.S. Cl.
CPC ...
364200 ; 3642321 ; 3642431 ; 3642457 ;
Abstract
A system for controlling virtual main memories (VMMs) of a plurality of virtual machines (VMs) which has a section for detecting an overload state of a VMM of any VM, a section for requesting a VMM corresponding to a required capacity in response to the detection. The system also includes a section for monitoring load states of the VMMs of other VMs in response to this request, a section for selecting an unbusy VM in accordance with the monitoring, a section for releasing the VMM corresponding to the requested capacity from the selected VM, and a section for supplying the released VMM to the VM requesting a VMM.