Linux Core Kernel Commentary, 2nd Edition Review

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Linux Core Kernel Commentary, 2nd Edition ReviewI am reviewing the 2nd edition of this book, which talks about the 2.4.x kernels.
This book is unusual in that a lot of it is just the Linux kernel source code; I was only interested in the content from the author, which is roughly the equivalent of a 250 page book. Having the source code as one monolithic printout is nice because the author can put a pointer to the code from the text rather than having to put a zillion code snippets inline with the text; I rarely read code snippets anyway.
In this book I wanted to read about: what is the high level architecture of the kernel; what are the design details of its "core" elements; for each element, what are the key data structures and functions in its implementation; what are some examples of the use of those functions and data structures.
For what I wanted, I think this book is great. I would not hesitate to compare it to the outstanding "Linux Device Drivers" and "Understanding the Linux Kernel" books. I don't know of any comparably high quality sources of this kind of information right now (it is December 2001), except for the also excellent "Linux 2.4 Kernel Internals" guide by Tigran Aivazian.
For someone looking to see good documentation for a particular file in the kernel source code, I would say don't assume you are going to find it in this book. This book covers _some_ of the source. Also, it does not teach you how to interact with the kernel by writing network drivers, filesystem drivers, hardware device drivers, etc.Linux Core Kernel Commentary, 2nd Edition OverviewThe Linux kernel is at the heart of the Linux operating system. Programmers can correct bugs and add features to Linux installations by modifying the source code. However, they must first understand how it works and why it works the way it does. Line-by-line, the Linux Core Kernel Commentary, 2nd Edition examines the Linux kernel version 2.4 in depth with corresponding commentary. It explores selected components of the kernel in detail including the memory manager, process scheduler (along with the change in structure), and interprocess communication. It covers changes from kernel version 2.2 and expanded coverage of signal handlers and "itimers" plus added coverage of notifier chains. Includes additional selected system calls and expanded memory coverage including the slab allocator and the lazy buddy allocator. The book features extensive cross-referencing and architectural flow charts to enhance understanding of the structure of the code.

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