Memory management method and device for operating system and equipment
An operating system and memory management technology, applied in the field of IoT devices, can solve the problems of no memory resources available in the system, enterprise losses, limited memory resources, etc., to avoid the problem of memory fragmentation, ensure real-time performance, and improve the effect of utilization.
Pending Publication Date: 2020-11-24
ADVANCED INST OF INFORMATION TECH AIIT PEKING UNIV +1
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Problems solved by technology
[0005] In the Industrial Internet of Things, when the program is running, if the system memory request cannot be responded quickly, it will affect the accuracy of real-time data, increase the calculation time of the data flow, affect the final decision-making results, and cause greater losses to the enterprise.
Usually, the memory resources of the system are limited, and more memory fragments will also cause the system to have no memory resources available, making the utilization of memory resources low
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[0029] Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. Although exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited by the embodiments set forth herein. Rather, these embodiments are provided for more thorough understanding of the present disclosure and to fully convey the scope of the present disclosure to those skilled in the art.
[0030] It should be noted that, unless otherwise specified, technical terms or scientific terms used in this application shall have the usual meanings understood by those skilled in the art to which this application belongs.
[0031] In addition, the terms "first" and "second", etc. are used to distinguish different objects, not to describe a specific order. Furthermore, the terms "include" and "have", as well as any variations the...
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The invention provides a memory management method and device for an operating system and Internet of Things equipment. The method comprises the steps of dividing a physical memory required by the operating system into a static memory area and a dynamic memory area in a starting stage of the operating system; when a memory allocation request of a user is received, determining to allocate a memory space of a corresponding size to the user from the static memory area or the dynamic memory area according to the size of the memory space allocated by the user request; and when a memory release request of a user is received, determining to release the corresponding memory space from the static memory area or the dynamic memory area according to the memory address requested to be released by the user. The method has the following advantages: through combination of static memory management and dynamic memory management, the real-time performance of memory allocation and release is ensured, theutilization rate of the memory is improved, the problem of memory fragmentation is effectively avoided, and meanwhile, the memory retrieval speed is increased.
Description
technical field [0001] The present application relates to the technical field of the Internet of Things, and specifically relates to a memory management method and device for an operating system and an Internet of Things device. Background technique [0002] Industrial Internet of things (Industrial Internet of things, referred to as IIoT) refers to the application of the Internet of Things in the industrial field. [0003] Memory management is an important part of the storage system, which provides memory resource allocation and release services when the program is running. Memory management uses a series of data structures to manage the physical memory of the system, and maintains the allocation and release of physical memory through a series of algorithms. [0004] With the advancement of technology, the Industrial Internet of Things has gradually become the core foundation of the industry, and has great application prospects in all-round perception of data, fast process...
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IPC IPC(8): G06F9/50
CPCG06F9/5016G06F9/5022
Inventor 薛栋梁曹东刚麻志毅李克勤陈曦晏艳梅宏
Owner ADVANCED INST OF INFORMATION TECH AIIT PEKING UNIV