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.

Date of Patent:
Feb. 09, 2016

Filed:

Jul. 26, 2013
Applicant:

Industrial Technology Research Institute, Hsinchu, TW;

Inventors:

Han-Lin Li, Taoyuan County, TW;

Tzi-Cker Chiueh, Taipei, TW;

Jui-Hao Chiang, Taipei, TW;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06F 12/08 (2006.01); G06F 9/455 (2006.01); G06F 12/02 (2006.01); G06F 12/10 (2006.01); G06F 12/12 (2006.01);
U.S. Cl.
CPC ...
G06F 12/08 (2013.01); G06F 9/455 (2013.01); G06F 9/45533 (2013.01); G06F 9/45558 (2013.01); G06F 12/02 (2013.01); G06F 12/0223 (2013.01); G06F 12/0253 (2013.01); G06F 12/109 (2013.01); G06F 12/123 (2013.01); G06F 2009/45583 (2013.01);
Abstract

A method and a computer system for memory management on a virtual machine system are provided. The memory management method includes the following steps. A least recently used (LRU) list is maintained by at least one processor according to a last access time, wherein the LRU list includes a plurality of memory pages. A first portion of the memory pages are stored in a virtual memory, a second portion of the memory pages are stored in a zram driver, and a third portion of the memory pages are stored in at least one swap disk. A space in the zram driver is set by the at least one processor. The space in the zram driver is adjusted by the processor according to a plurality of access probabilities of the memory pages in the zram driver, an overhead of a pseudo page fault, and an overhead of a true page fault.


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