Thanks greg. Thanks for help me on this question and how to use this mailing list efficiently. > > Just patch your kernel to change the startup value for this field. > I got your point about patching the kernel. But I don't know where should I start with. Would you please teach me where can I find this value or how can I grep it? Thank you very much. Adam -- Adam Jiang ------------------------------------------ e-mail:jiang.adam@xxxxxxxxx -- To unsubscribe from this list: send the line "unsubscribe linux-hotplug" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html