On Fri, Jun 13, 2014 at 04:24:59PM +0800, WANG Chao wrote: > Emm.. I'm not sure, but I think there might be a chance that > COMMAND_LINE_SIZE extend in the future. In general 8K is safe to use, > because the current greatest one is 4K. Sure, but kexec cannot load a kernel of different arch, can it? Which means, we're safe using the arch-specific definition of COMMAND_LINE_SIZE. -- Regards/Gruss, Boris. Sent from a fat crate under my desk. Formatting is fine. --