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I l @ ve RuBoard

• Table of Contents

• Index

• Reviews

• Reader Reviews

• Errata

Understanding the Linux Kernel, 2nd Edition

By Daniel P. Bovet , Marco Cesati

Publisher

: O'Reilly

Pub Date

: December 2002

ISBN

: 0-596-00213-0

Pages

: 784

The new edition of Understanding the Linux Kernel takes you on a guided tour through the

most significant data structures, many algorithms, and programming tricks used in the

kernel. The book has been updated to cover version 2.4 of the kernel, which is quite

different from version 2.2: the virtual memory system is entirely new, support for

multiprocessor systems is improved, and whole new classes of hardware devices have been

added. You'll learn what conditions bring out Linux's best performance, and how it meets the

challenge of providing good system response during process scheduling, file access, and

memory management in a wide variety of environments.

I l @ ve RuBoard

I l @ ve RuBoard

• Table of Contents

• Index

• Reviews

• Reader Reviews

• Errata

Understanding the Linux Kernel, 2nd Edition

By Daniel P. Bovet , Marco Cesati

Publisher

: O'Reilly

Pub Date

: December 2002

ISBN

: 0-596-00213-0

Pages

: 784

Preface

The Audience for This Book

Organization of the Material

Overview of the Book

Background Information

Conventions in This Book

How to Contact Us

Acknowledgments

Chapter 1. Introduction

Section 1.1. Linux Versus Other Unix-Like Kernels

Section 1.2. Hardware Dependency

Section 1.3. Linux Versions

Section 1.4. Basic Operating System Concepts

Section 1.5. An Overview of the Unix Filesystem

Section 1.6. An Overview of Unix Kernels

Chapter 2. Memory Addressing

Section 2.1. Memory Addresses

Section 2.2. Segmentation in Hardware

Section 2.3. Segmentation in Linux

Section 2.4. Paging in Hardware

Section 2.5. Paging in Linux

Chapter 3. Processes

Section 3.1. Processes, Lightweight Processes, and Threads

Section 3.2. Process Descriptor

Section 3.3. Process Switch

Section 3.4. Creating Processes

Section 3.5. Destroying Processes

Chapter 4. Interrupts and Exceptions

Section 4.1. The Role of Interrupt Signals

Section 4.2. Interrupts and Exceptions

Section 4.3. Nested Execution of Exception and Interrupt Handlers

Section 4.4. Initializing the Interrupt Descriptor Table

Section 4.5. Exception Handling

Section 4.6. Interrupt Handling

Section 4.7. Softirqs, Tasklets, and Bottom Halves

Section 4.8. Returning from Interrupts and Exceptions

Chapter 5. Kernel Synchronization

Section 5.1. Kernel Control Paths

Section 5.2. When Synchronization Is Not Necessary

Section 5.3. Synchronization Primitives

Section 5.4. Synchronizing Accesses to Kernel Data Structures

Section 5.5. Examples of Race Condition Prevention

Chapter 6. Timing Measurements

Section 6.1. Hardware Clocks

Section 6.2. The Linux Timekeeping Architecture

Section 6.3. CPU's Time Sharing

Section 6.4. Updating the Time and Date

Section 6.5. Updating System Statistics

Section 6.6. Software Timers

Section 6.7. System Calls Related to Timing Measurements

Chapter 7. Memory Management

Section 7.1. Page Frame Management

Section 7.2. Memory Area Management

Section 7.3. Noncontiguous Memory Area Management

Chapter 8. Process Address Space

Section 8.1. The Process's Address Space

Section 8.2. The Memory Descriptor

Section 8.3. Memory Regions

Section 8.4. Page Fault Exception Handler

Section 8.5. Creating and Deleting a Process Address Space

Section 8.6. Managing the Heap

Chapter 9. System Calls

Section 9.1. POSIX APIs and System Calls

Section 9.2. System Call Handler and Service Routines

Section 9.3. Kernel Wrapper Routines

Chapter 10. Signals

Section 10.1. The Role of Signals

Section 10.2. Generating a Signal

Section 10.3. Delivering a Signal

Section 10.4. System Calls Related to Signal Handling

Chapter 11. Process Scheduling

Section 11.1. Scheduling Policy

Section 11.2. The Scheduling Algorithm

Section 11.3. System Calls Related to Scheduling

Chapter 12. The Virtual Filesystem

Section 12.1. The Role of the Virtual Filesystem (VFS)

Section 12.2. VFS Data Structures

Section 12.3. Filesystem Types

Section 12.4. Filesystem Mounting

Section 12.5. Pathname Lookup

Section 12.6. Implementations of VFS System Calls

Section 12.7. File Locking

Chapter 13. Managing I/O Devices

Section 13.1. I/O Architecture

Section 13.2. Device Files

Section 13.3. Device Drivers

Section 13.4. Block Device Drivers

Section 13.5. Character Device Drivers

Chapter 14. Disk Caches

Section 14.1. The Page Cache

Section 14.2. The Buffer Cache

Chapter 15. Accessing Files

Section 15.1. Reading and Writing a File

Section 15.2. Memory Mapping

Section 15.3. Direct I/O Transfers

Chapter 16. Swapping: Methods for Freeing Memory

Section 16.1. What Is Swapping?

Section 16.2. Swap Area

Section 16.3. The Swap Cache

Section 16.4. Transferring Swap Pages

Section 16.5. Swapping Out Pages

Section 16.6. Swapping in Pages

Section 16.7. Reclaiming Page Frame

Chapter 17. The Ext2 and Ext3 Filesystems

Section 17.1. General Characteristics of Ext2

Section 17.2. Ext2 Disk Data Structures

Section 17.3. Ext2 Memory Data Structures

Section 17.4. Creating the Ext2 Filesystem

Section 17.5. Ext2 Methods

Section 17.6. Managing Ext2 Disk Space

Section 17.7. The Ext3 Filesystem

Chapter 18. Networking

Section 18.1. Main Networking Data Structures

Section 18.2. System Calls Related to Networking

Section 18.3. Sending Packets to the Network Card

Section 18.4. Receiving Packets from the Network Card

Chapter 19. Process Communication

Section 19.1. Pipes

Section 19.2. FIFOs

Section 19.3. System V IPC

Chapter 20. Program Execution

Section 20.1. Executable Files

Section 20.2. Executable Formats

Section 20.3. Execution Domains

Section 20.4. The exec Functions

Appendix A. System Startup

Section A.1. Prehistoric Age: The BIOS

Section A.2. Ancient Age: The Boot Loader

Section A.3. Middle Ages: The setup( ) Function

Section A.4. Renaissance: The startup_32( ) Functions

Section A.5. Modern Age: The start_kernel( ) Function

Appendix B. Modules

Section B.1. To Be (a Module) or Not to Be?

Section B.2. Module Implementation

Section B.3. Linking and Unlinking Modules

Section B.4. Linking Modules on Demand

Appendix C. Source Code Structure

Bibliography

Books on Unix Kernels

Books on the Linux Kernel

Books on PC Architecture and Technical Manuals on Intel Microprocessors

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