frame_head 51 arch/x86/oprofile/backtrace.c struct frame_head *bp; frame_head 55 arch/x86/oprofile/backtrace.c static struct frame_head * frame_head 58 arch/x86/oprofile/backtrace.c struct frame_head bufhead[2]; frame_head 79 arch/x86/oprofile/backtrace.c struct frame_head *head = (struct frame_head *)frame_pointer(regs);