Hi Richard: I don't think the pages of the page tables in RAM will ever be swapped because, it is part of the functionality of the kernel. The kernel uses these pages and hence it will be like swapping the kernel itself, which is not the case. Just my thoughts, K Shakthi -- Kernelnewbies: Help each other learn about the Linux kernel. Archive: http://mail.nl.linux.org/kernelnewbies/ FAQ: http://kernelnewbies.org/faq/