parent_sf 620 arch/sparc/kernel/process_64.c struct sparc_stackf *parent_sf; parent_sf 645 arch/sparc/kernel/process_64.c parent_sf = ((struct sparc_stackf *) regs) - 1; parent_sf 646 arch/sparc/kernel/process_64.c memcpy(child_trap_frame, parent_sf, child_stack_sz);