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Linux kernel 笔记 (21)——per-CPU变量

Posted by nanxiao on 九月 25, 2015 in Linux kernel 笔记 |

per-CPU变量顾名思义,即当你声明一个per-CPU变量时,当前系统上的每个CPU都会有一份当前变量的co […]

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Linux kernel 笔记 (20)——设备的major和minor号

Posted by nanxiao on 九月 25, 2015 in Linux kernel 笔记 |

在/dev目录下执行ls -lt命令:   上面红框框起来的部分就是设备号,前面是major,后面是 […]

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