Professional Linux® Kernel Architecture

Professional Linux Kernel Architecture This book discusses the concepts structure and implementation of the Linux kernel In particular the individual chapters cover the following topics Chapter provides an overview of the Linux kernel

  • Title: Professional Linux® Kernel Architecture
  • Author: Wolfgang Mauerer
  • ISBN: null
  • Page: 316
  • Format: Kindle Edition
  • This book discusses the concepts, structure, and implementation of the Linux kernel In particular, the individual chapters cover the following topics Chapter 1 provides an overview of the Linux kernel and describes the big picture that is investigated closely in the following chapters Chapter 2 talks about the basics of multitasking, scheduling, and process managemThis book discusses the concepts, structure, and implementation of the Linux kernel In particular, the individual chapters cover the following topics Chapter 1 provides an overview of the Linux kernel and describes the big picture that is investigated closely in the following chapters Chapter 2 talks about the basics of multitasking, scheduling, and process management, and investigates how these fundamental techniques and abstractions are implemented Chapter 3 discusses how physical memory is managed Both the interaction with hardware and the in kernel distribution of RAM via the buddy system and the slab allocator are covered Chapter 4 proceeds to describe how userland processes experience virtual memory, and the comprehensive data structures and actions required from the kernel to implement this view Chapter 5 introduces the mechanisms required to ensure proper operation of the kernel on multiprocessor systems Additionally, it covers the related question of how processes can communicate with each other Chapter 6 walks you through the means for writing device drivers that are required to add support for new hardware to the kernel Chapter 7 explains how modules allow for dynamically adding new functionality to the kernel Chapter 8 discusses the virtual lesystem, a generic layer of the kernel that allows for supporting a wide range of different lesystems, both physical and virtual Chapter 9 describes the extended lesystem family, that is, the Ext2 and Ext3 lesystems that are the standard workhorses of many Linux installations Chapter 10 goes on to discuss procfs and sysfs, two lesystems that are not designed to store information, but to present meta information about the kernel to userland Additionally, a number of means to ease writing lesystems are presented Chapter 11 shows how extended attributes and access control lists that can help to improve system security are implemented Chapter 12 discusses the networking implementation of the kernel, with a speci c focus on IPv4, TCP, UDP, and net lter Chapter 13 introduces how systems calls that are the standard way to request a kernel action from userland are implemented Chapter 14 analyzes how kernel activities are triggered with interrupts, and presents means of deferring work to a later point in time Chapter 15 shows how the kernel handles all time related requirements, both with low and high resolution Chapter 16 talks about speeding up kernel operations with the help of the page and buffer caches Chapter 17 discusses how cached data in memory are synchronized with their sources on persistent storage devices Chapter 18 introduces how page reclaim and swapping work Chapter 19 gives an introduction to the audit implementation, which allows for observing in detail what the kernel is doing.

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      Published :2019-01-10T06:25:19+00:00

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