TRAMPOLINE_LOW 18 include/asm-x86/mach-default/smpboot_hooks.h *((volatile unsigned short *) TRAMPOLINE_LOW) = start_eip & 0xf; TRAMPOLINE_LOW 31 include/asm-x86/numaq/wakecpu.h *low = *((volatile unsigned short *) TRAMPOLINE_LOW); TRAMPOLINE_LOW 38 include/asm-x86/numaq/wakecpu.h *((volatile unsigned short *) TRAMPOLINE_LOW) = *low;