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Preface
When I was first approached about converting my experiences with the Linux kernel
into a book, I proceeded with trepidation.What would place my book at the top of its
subject? I was not interested unless I could do something special, a best-in-class work.
I realized that I could offer a unique approach to the topic. My job is hacking the kernel.
My hobby is hacking the kernel. My love is hacking the kernel. Over the years, I have accumulated interesting anecdotes and insider tips.With my experiences, I could write a book on
how to hack the kernel and—just as important—how not to hack the kernel. First and foremost, this is a book about the design and implementation of the Linux kernel.This book’s
approach differs from would-be competitors, however, in that the information is given with
a slant to learning enough to actually get work done—and getting it done right. I am a
pragmatic engineer and this is a practical book. It should be fun, easy to read, and useful.
I hope that readers can walk away from this work with a better understanding of the
rules (written and unwritten) of the Linux kernel. I intend that you, fresh from reading
this book and the kernel source code, can jump in and start writing useful, correct, clean
kernel code. Of course, you can read this book just for fun, too.
That was the first edition.Time has passed, and now we return once more to the fray.
This third edition offers quite a bit over the first and second: intense polish and revision,
updates, and many fresh sections and all new chapters.This edition incorporates changes in
the kernel since the second edition. More important, however, is the decision made by the
Linux kernel community to not proceed with a 2.7 development kernel in the near to midterm.1 Instead, kernel developers plan to continue developing and stabilizing the 2.6 series.
This decision has many implications, but the item of relevance to this book is that there is
quite a bit of staying power in a contemporary book on the 2.6 Linux kernel.As the Linux
kernel matures, there is a greater chance of a snapshot of the kernel remaining representative
long into the future.This book functions as the canonical documentation for the kernel,
documenting it with both an understanding of its history and an eye to the future.
About the Author
Robert Love is an open source programmer, speaker, and author who has been using
and contributing to Linux for more than 15 years. Robert is currently senior software
engineer at Google, where he was a member of the team that developed the Android
mobile platform’s kernel. Prior to Google, he was Chief Architect, Linux Desktop, at
Novell. Before Novell, he was a kernel engineer at MontaVista Software and Ximian.
Robert’s kernel projects include the preemptive kernel, the process scheduler, the
kernel events layer, inotify,VM enhancements, and several device drivers.
Robert has given numerous talks on and has written multiple articles about the Linux
kernel. He is a contributing editor for Linux Journal. His other books include Linux
System Programming and Linux in a Nutshell.
Robert received a B.A. degree in mathematics and a B.S. degree in computer science
from the University of Florida. He lives in Boston.
Linux.Kernel.Development.3rd.Edition.pdf
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