> > Total memory = 768MB; using 2048kB for hash table (at c0400000) > > Sure, without HIGHMEM, 768MB is the max memory available. Actually, if you don't want to take the perfs. hit caused by CONFIG_HIGHMEM, you can also play around with TASK_SIZE and KERNELBASE values in the .config :) But if you don't know what it's all about, then don't even try ! Besides, it will break yaboot. Ben.