Computer memory conservation system

Details Computer memory conservation system Computer memory conservation system

1996-06-17

2000-05-16

Rinehart, Mark H.

Electrical computers and digital processing systems: memory

Storage accessing and control

Hierarchical memories

711170, G06F 900, G06F 1200

Patent

active

060648112

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.

REFERENCES:
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patent: 5689707 (1997-11-01), Donnelly
patent: 5729710 (1998-03-01), Magee et al.
patent: 5793979 (1998-08-01), Lichtman et al.
John McSorley, "1MBFort Protects Low Memory," PC Magazine, Mar. 28, 1995, pp. 283-294.
Matt Pietrek, "Q&A Windows," Microsoft Systems Journal, May 1995, pp. 79-90.
Matt Pietrek, Windows Internals, 1993, pp. 108-110.
Hummel, Robert L., The Magic Behind Virtual Memory, PC-Computing, v7, n6,pp. 276-279, Jun. 1994.

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