CPUID_MAJOR 150 arch/x86/kernel/cpuid.c dev = device_create_drvdata(cpuid_class, NULL, MKDEV(CPUID_MAJOR, cpu), CPUID_MAJOR 157 arch/x86/kernel/cpuid.c device_destroy(cpuid_class, MKDEV(CPUID_MAJOR, cpu)); CPUID_MAJOR 190 arch/x86/kernel/cpuid.c if (register_chrdev(CPUID_MAJOR, "cpu/cpuid", &cpuid_fops)) { CPUID_MAJOR 192 arch/x86/kernel/cpuid.c CPUID_MAJOR); CPUID_MAJOR 218 arch/x86/kernel/cpuid.c unregister_chrdev(CPUID_MAJOR, "cpu/cpuid"); CPUID_MAJOR 230 arch/x86/kernel/cpuid.c unregister_chrdev(CPUID_MAJOR, "cpu/cpuid");