On Thu, Dec 19, 2002 at 09:07:17PM +0100, Juan Quintela wrote: > I expect that the amount from where it is highmem to never be > bigger that 4Giga Megabytes :) I.e. int should be enough. No. The root cause of this problem is the type of the constant HIGHMEM_START which should have been unsigned int but actually was just int. Ralf