ESSENTIAL REFERENCES FOR PROGRAMMING PROFESSIONALS
Developer’s Library books are designed to provide practicing programmers with
unique, high-quality references and tutorials on the programming languages and
technologies they use in their daily work.
All books in the Developer’s Library are written by expert technology practitioners
who are especially skilled at organizing and presenting information in a way that’s
useful for other programmers.
Key titles include some of the best, most widely acclaimed books within their
PHP & MySQL Web Development
Luke Welling & Laura Thomson
Linux Kernel Development
Python Essential Reference
Programming in Objective-C 2.0
Stephen G. Kochan
Developer’s Library books are available at most retail and online bookstores, as well
as by subscription from Safari Books Online at safari.informit.com
Upper Saddle River, NJ ? Boston ? Indianapolis ? San Francisco
New York ? Toronto ? Montreal ? London ? Munich ? Paris ? Madrid
Cape Town ? Sydney ? Tokyo ? Singapore ? Mexico City
Linux Kernel Development
Copyright ? 2010 Pearson Education, Inc.
All rights reserved. Printed in the United States of America. This publication is protected by
copyright, and permission must be obtained from the publisher prior to any prohibited repro-
duction, storage in a retrieval system, or transmission in any form or by any means, elec-
tronic, mechanical, photocopying, recording, or likewise.
Library of Congress Cataloging-in-Publication Data:
Linux kernel development / Robert Love. — 3rd ed.
Includes bibliographical references and index.
ISBN 978-0-672-32946-3 (pbk. : alk. paper) 1. Linux. 2. Operating systems (Computers)
Text printed in the United States on recycled paper at RR Donnelley, Crawfordsville, Indiana.
First printing June 2010
Many of the designations used by manufacturers and sellers to distinguish their products
are claimed as trademarks. Where those designations appear in this book, and the publish-
er was aware of a trademark claim, the designations have been printed with initial capital
letters or in all capitals.
The author and publisher have taken care in the preparation of this book, but make no
expressed or implied warranty of any kind and assume no responsibility for errors or omis-
sions. No liability is assumed for incidental or consequential damages in connection with or
arising out of the use of the information or programs contained herein.
The publisher offers excellent discounts on this book when ordered in quantity for bulk pur-
chases or special sales, which may include electronic versions and/or custom covers and
content particular to your business, training goals, marketing focus, and branding interests.
For more information, please contact:
U.S. Corporate and Government Sales
For sales outside the United States please contact:
Visit us on the Web: informit.com/aw
Robert P. J. Day
For Doris and Helen.
Contents at a Glance