Methods, systems, and computer program products for...

Details Methods, systems, and computer program products for... Methods, systems, and computer program products for...

2007-02-20

2010-12-28

Ellis, Kevin L (Department: 2187)

Electrical computers and digital processing systems: memory

Storage accessing and control

Memory configuring

C711S154000, C711S156000, C711S170000, C711S171000, C711S172000, C707S813000

Reexamination Certificate

active

07861056

ABSTRACT:
Methods, systems, and computer program products for providing memory management with constant defragmentation time are disclosed. According to one aspect, the subject matter described herein includes a method for memory management. The method includes dividing memory to be allocated into a plurality of pages of equal size P, wherein P is an integer. The method also includes designating each page for holding records of a respective predetermined record size, at least some of the respective predetermined record sizes being different from each other, wherein, when filled, each page holds records of its respective predetermined record size and wherein at least some of the pages hold a remainder record having a size based on the page size P and the space allocated for the maximum number of records of the page's respective predetermined record size that will fit within the page. The method also includes allocating memory so that each page is populated with records of its respective predetermined record size.

REFERENCES:
patent: 5339411 (1994-08-01), Heaton, Jr.
patent: 6088777 (2000-07-01), Sorber
patent: 2005/0149686 (2005-07-01), Bacon et al.
Paul R. Wilson, Mark S. Johnstone, Michael Neely, David Boles, Dynamic Storage Allocation: A Survey and Critical Review, 1995, University of Texas at Austin.

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