Hi, I need to put more physical memory (>1GB) into kernel space of 2.4. As my understanding, though 2.4 can support up to 64G RAM, the kernel space is still limited to 950MB. If I like to extend kernel space to around 3GB (both virtual and physical), may I simply lift: __PAGE_OFFSET to the appreciated value I like? if it's not true, what else I have to worry about? Thanks GF -- Kernelnewbies: Help each other learn about the Linux kernel. Archive: http://mail.nl.linux.org/kernelnewbies/ FAQ: http://kernelnewbies.org/faq/