[Translated] 12 The Linux Kernel--Configuring the Kernel Part 8
[Translating] 13 The Linux Kernel--Configuring the Kernel Part 9
Merge pull request #362 from geekpi/master

[Translated] 12 The Linux Kernel--Configuring the Kernel Part 8
Signed-off-by: rogetfan <huxuehan1991@gmail.com>z正在翻译