Are any mappings for user space addresses (ie below PAGE_OFFSET) put in the swapper_pg_dir Page Directory? Context is the arm port of linux 2.4.1-rmk1-np2. Cheers Adam - Kernelnewbies: Help each other learn about the Linux kernel. Archive: http://mail.nl.linux.org/ IRC Channel: irc.openprojects.net / #kernelnewbies Web Page: http://www.surriel.com/kernelnewbies.shtml