说明：  该书内容翔实，代码颇多，便于较为深入的学习Linux内核，但对于初学有一定难度，建议读者在掌握Linux内核整体架构基础上学习。
(Informative book, code a lot more depth to facilitate the learning Linux kernel, but have a certain degree of difficulty for the beginner, it is recommended the reader in grasping the overall framework for Linux kernel based on the study.)