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:
May. 16, 2000

Filed:

Jun. 17, 1996
Applicant:
Inventors:

Michael L Spilo, New York, NY (US);

Jonathan A Daub, New York, NY (US);

Assignee:

Network Associates, Inc., Santa Clara, CA (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06F / ; G06F / ;
U.S. Cl.
CPC ...
395674 ; 711170 ;
Abstract

A method for improving the availability of global DOS memory under Microsoft Windows has two primary aspects. First, upper memory blocks are linked to the global heap to increase the amount of global DOS memory available. Second, a reserved area of global DOS memory is maintained to prevent generic memory requests from being fulfilled therefrom. Valid requests for global DOS memory are intercepted to ensure that they are able to be allocated out of global DOS memory or the reserved area. Taken in conjunction, the two aspects of the invention substantially decrease the probability that unavailability of global DOS memory will result in application or system failure.


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