Memory tracking with preservation of alignment semantics

Details Memory tracking with preservation of alignment semantics Memory tracking with preservation of alignment semantics

2007-07-24

2007-07-24

Lane, Jack A. (Department: 2185)

Electrical computers and digital processing systems: memory

Storage accessing and control

Memory configuring

Reexamination Certificate

active

10867929

ABSTRACT:
A method and system for tracking usage of memory in a computer system is provided. Arguments for both the size of a memory allocation and the type of memory being allocated are reserved in a fixed location. A first fixed location is reserved for small memory allocations, i.e. less than one page, and a second fixed location is reserved for large memory allocations, i.e. one page or larger. The fixed location is selected based upon a determination of the size of an allocation required by a calling application. Upon receipt of a memory allocation request by the calling application, a pointer is returned to the calling application identifying the fixed location. Similarly, upon release of memory by the calling application, a counter is decremented to track the amount of memory in use by the application.

REFERENCES:
patent: 5600823 (1997-02-01), Sherer et al.
patent: 5729710 (1998-03-01), Magee et al.
patent: 2002/0161932 (2002-10-01), Herger et al.

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