Linux中的auto_config.h该文件是编译内核时的配置文件，系统编译信息在该文件中指定，注释掉某些宏即可裁剪该部分的代码-In Linux auto_config.h the file when compiling the kernel configuration file, the system compile the information specified in the file, comment out the code for some of the macro you can crop the part