compat_printk 817 arch/x86/ia32/sys_ia32.c compat_printk(KERN_INFO compat_printk 2757 fs/compat_ioctl.c compat_printk("ioctl32(%s:%d): Unknown cmd fd(%d) " compat_printk 240 include/linux/compat.h extern int compat_printk(const char *fmt, ...);