On Wed, May 15, 2002 at 03:26:08PM -0700, Matthew Dharm wrote: > So, how should my boot code convey that info? With more > add_memory_region() calls? Is that really all I need? Yes. At this time you just have to make sure you don't add_memory_region() areas which aren't supported by your particular kernel configuration. There is also a second limit which is memory above physical address 4GB; if you need that you have to enable CONFIG_64BIT_PHYS_ADDR as well. Ralf