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Method and memory merging function for merging memory pages

A memory and memory address technology, applied in the field of computer systems, can solve problems such as memory consumption

Active Publication Date: 2018-06-08
TELEFON AB LM ERICSSON (PUBL)
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

This also leads to unnecessary memory consumption since similar functionality is provided by the corresponding operating system

Method used

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  • Method and memory merging function for merging memory pages
  • Method and memory merging function for merging memory pages
  • Method and memory merging function for merging memory pages

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Embodiment Construction

[0021] Throughout the following description, similar reference numerals have been used to denote similar features, such as nodes, acts, steps, modules, circuits, parts, item elements, units, etc., where applicable. In the figures, features that appear in some embodiments are indicated by dashed lines.

[0022] figure 1 An exemplary computer system 100 is depicted in which embodiments herein may be implemented. Computer system 100 may be a hardware system, eg, a disaggregated hardware system as disclosed in the background section.

[0023] In general, computer system 100 relies on the principle of disaggregation of hardware resources. The principle of hardware disaggregation treats CPU, memory and network resources as separate and modular components. Resources are often organized in pools, ie there are pools of CPU units, pools of memory units and pools of network interfaces. When utilizing a computer system, a virtual hardware machine may consist of a subset of units / resou...

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Abstract

A method and a Memory Merging Function "MMF" (110) for merging memory pages (130) are disclosed. A hardware system (100) comprises a set of memory blades (105, 105, 107) and a set of computing pools (102, 103, 104). At least one instance of an operating system (120) executes on the hardware system (100). The MMF (110) is independent of the operating system (120). The MMF (110) finds (A010) a firstand a second memory page (131, 132). The first and second memory pages (131, 132) include identical information. The first and second memory pages are associated with at least one computing unit (140) of the computing units (140). The MMF (110) obtains (A020, A030) a respective memory blade parameter relating to memory blade of the first and second memory pages (131, 132) and a respective latencyparameter relating to latency for accessing the first and second memory pages (131, 132). The MMF (110) releases (A050) at least one of the first and second memory pages (131, 132) based on the respective memory blade and latency parameters. A corresponding computer program and a carrier therefor are also disclosed.

Description

technical field [0001] Embodiments herein relate to computer systems, such as data center systems. In particular, methods and memory consolidation functions for consolidating memory pages are disclosed. A corresponding computer program and its carrier are also disclosed. Background technique [0002] Computer systems manage multiple resources, such as computing power, network access, and memory storage. Multiple resources are of course not indeterminate. In particular, memory storage is in many cases a limited resource in view of computer system capacity and / or performance. As an example, the program code for processing eg user interface objects, common math functions and search queries is the same for many different applications. Accordingly, it has become common practice to share a computer system's memory among different applications. [0003] As an example of a known computer system with memory sharing, a personal computer (PC) includes at least one central processi...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F12/10G06F12/126
CPCG06F12/10G06F2212/1044G06F2212/656G06F2212/657G06F12/0246G06F2212/7205G06F2212/7208G06F3/0608G06F3/0611G06F3/0641G06F3/067G06F12/0253G06F2212/1024G06F2212/154
Inventor A.鲁兹贝J.蒙泰罗索亚雷斯D.图鲁尔
Owner TELEFON AB LM ERICSSON (PUBL)
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