On Fri, Aug 30, 2013 at 01:47:53PM +0800, Bob Liu wrote: >[..] > Machine2: bootcmdline in grub.cfg "memmap=0x77ffffff$0x880000000", the result of > "cat /proc/cmdline" changed to "memmap=0x77ffffffx880000000". > > I didn't find the root cause, I think maybe grub reserved "$0" as something > special. > Replace '$' with '%' in kernel boot parameter can fix this issue. You are correct with the root cause, however I don't think the patch is needed. In order to bypass grub's variable evaluation you can simply use escaping and replace $ with \$ in your grub config. -- Dan Aloni -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@xxxxxxxxx. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: <a href=mailto:"dont@xxxxxxxxx";> email@xxxxxxxxx </a>