On Sat, Jan 17, 2009 at 10:16:31PM +0800, loody wrote: > 1. please let me briefly explain what I mean "how kernel find out root > file system" above. > In my assumption, I should put kernel and root file system separately > in the dram and let the kernel know where the root file system is. You can use an initramfs for your filesystem if you want, that might be easiest. I think you really need to read some documentation on how the kernel start up works with the initial filesystem. That's beyond me trying to explain it on a mailing list, sorry. good luck, greg k-h -- To unsubscribe from this list: send an email with "unsubscribe kernelnewbies" to ecartis@xxxxxxxxxxxx Please read the FAQ at http://kernelnewbies.org/FAQ