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Memory management method and electronic equipment

A technology of electronic equipment and management methods, applied in the direction of memory address/allocation/relocation, memory system, program control design, etc., can solve problems affecting the read and write performance of the operating system, etc.

Active Publication Date: 2021-05-18
HONOR DEVICE CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

It can be seen that for these shared physical pages, the operating system will repeatedly reclaim and reallocate them, seriously affecting the read and write performance of the operating system.

Method used

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  • Memory management method and electronic equipment
  • Memory management method and electronic equipment
  • Memory management method and electronic equipment

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Embodiment Construction

[0050] In the description of the embodiments of this application, unless otherwise specified, " / " means or, for example, A / B can mean A or B; "and / or" in this article is only a description of the association of associated objects A relationship means that there may be three kinds of relationships, for example, A and / or B means: A exists alone, A and B exist simultaneously, and B exists alone.

[0051] Hereinafter, the terms "first" and "second" are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance or implicitly specifying the quantity of indicated technical features. Thus, a feature defined as "first" and "second" may explicitly or implicitly include one or more of these features. In the description of the embodiments of the present application, unless otherwise specified, "plurality" means two or more.

[0052] In the embodiments of the present application, words such as "exemplary" or "for example" are used as example...

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PUM

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Abstract

The invention discloses a memory management method and electronic equipment, relates to the technical field of electronic equipment, and is beneficial to avoiding multiple times of unnecessary recovery check on frequently accessed physical pages, accelerating the recovery efficiency of an operating system on the physical pages and improving the performance of the operating system. The method specifically comprises the step that the electronic equipment uses a plurality of inactive linked lists and an active linked list for each memory area to achieve the function of recycling physical pages. Or aiming at each memory area, using one inactive linked list and a plurality of active linked lists to realize the function of recovering the physical page. Alternatively, for each memory area, a plurality of inactive linked lists and a plurality of active linked lists are used to realize the function of recovering the physical page.

Description

technical field [0001] The present application relates to the technical field of electronic equipment, in particular to a memory management method and electronic equipment. Background technique [0002] Virtual memory is a technology of memory management in the operating system of electronic devices, and it is an abstraction of memory (also called physical memory) provided by the operating system. The realization of virtual memory is completed by the combination of operating system software and hardware. Virtual memory is not limited by the size of memory, providing a larger private address space for applications. That is, each application process independently allocates its own virtual memory space. The operating system allocates physical memory space (that is, a physical page) for the virtual memory space of the application program, that is, maps the virtual memory space allocated by the application program process to the physical page. [0003] When an application prog...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F9/50G06F12/02
CPCG06F9/5022G06F12/0253G06F12/084G06F2212/7205G06F12/0246G06F12/023
Inventor 王涛翟奇
Owner HONOR DEVICE CO LTD