__percpu_seg 29 arch/x86/include/asm/percpu.h __percpu_mov_op %__percpu_seg:this_cpu_off, reg; \ __percpu_seg 31 arch/x86/include/asm/percpu.h #define PER_CPU_VAR(var) %__percpu_seg:var __percpu_seg 49 arch/x86/include/asm/percpu.h #define __percpu_prefix "%%"__stringify(__percpu_seg)":"