init_stack 844 arch/x86/include/asm/processor.h .sp0 = sizeof(init_stack) + (long)&init_stack, \ init_stack 858 arch/x86/include/asm/processor.h .sp0 = sizeof(init_stack) + (long)&init_stack, \ init_stack 915 arch/x86/include/asm/processor.h .sp0 = (unsigned long)&init_stack + sizeof(init_stack) \ init_stack 919 arch/x86/include/asm/processor.h .x86_tss.sp0 = (unsigned long)&init_stack + sizeof(init_stack) \