On 08/29/2013 10:47 PM, Bob Liu wrote: > Kernel boot parameter memmap=nn[KMG]$ss[KMG] is used to mark specific memory as > reserved. Region of memory to be used is from ss to ss+nn. > > But I found the action of this parameter is not as expected. > I tried on two machines. > Machine1: bootcmdline in grub.cfg "memmap=800M$0x60bfdfff", but the result of > "cat /proc/cmdline" changed to "memmap=800M/bin/bashx60bfdfff" after system > booted. > > 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. NAK for the reasons already discussed. -hpa -- 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>