GDT_ENTRY_PER_CPU 268 arch/x86/kernel/vsyscall_64.c write_gdt_entry(get_cpu_gdt_table(cpu), GDT_ENTRY_PER_CPU, &d, DESCTYPE_S); GDT_ENTRY_PER_CPU 165 include/asm-x86/segment.h #define __PER_CPU_SEG (GDT_ENTRY_PER_CPU * 8 + 3)