On Thu, 30 Jan 2014, Randy Dunlap wrote: > >>> Hi, > >>> > >>> In kernel-parameters.txt, there is following description: > >>> > >>> memmap=nn[KMG]$ss[KMG] > >>> [KNL,ACPI] Mark specific memory as reserved. > >>> Region of memory to be used, from ss to ss+nn. > >> > >> Should be: > >> Region of memory to be reserved, from ss to ss+nn. > >> > >> but that doesn't help with the problem that you describe, does it? > >> > > > > Actually it should be: > > Region of memory to be reserved, from nn to nn+ss. > > > > That is, exchange nn and ss. > > Yes, I understand that that's what you are reporting. I just haven't yet > worked out how the code manages to exchange those 2 values. > It doesn't, the documentation is correct as written and could be improved by your suggestion of "Region of memory to be reserved, from ss to ss+nn." I think Andiry probably is having a problem with his bootloader interpreting the '$' incorrectly (or variable expansion if coming from the shell) or interpreting the resulting user-defined e820 map incorrectly. -- 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>