Title :
Optimizing Software of Memory Management on ARM
Author :
Dong Jingwei ; Wang Zhuo ; Wang Rui ; Shi Xianwei
Author_Institution :
Higher Educ. Key Lab. for Meas. & Control Technol. & Instrumentations of Heilongjiang Province, Harbin Univ. of Sci. & Technol., Harbin, China
Abstract :
The performance of embedded systems is determined by many factors. The method of memory management is an important one of them. In this paper, three software optimization methods of memory management are discussed based on ARM embedded system and embedded Linux. Setting memory access permissions in system initialization improves the reliability of the embedded system. Using FCSE (Fast Context Switch Extension) improves the usage efficiency of memory. Allocating memory space by integer times of 4 KB makes more processes concurrency possible on embedded system which hardware configuration is insufficient. Experiment shows that the optimizing memory management methods studied in this paper improved the operating efficiency of ARM and embedded Linux system.
Keywords :
Linux; embedded systems; microcontrollers; optimisation; software reliability; storage management; ARM embedded system; FCSE; embedded Linux system; embedded systems; fast context switch extension; hardware configuration; memory access permissions; memory management software optimization method; reliability; Context; Embedded systems; Linux; Memory management; Random access memory; Switches; ARM; embedded Linux; fast context switch extension; memory access permissions; memory management;
Conference_Titel :
Instrumentation, Measurement, Computer, Communication and Control (IMCCC), 2012 Second International Conference on
Conference_Location :
Harbin
Print_ISBN :
978-1-4673-5034-1
DOI :
10.1109/IMCCC.2012.327
