could (inode, offset) or (mapping, index) be used as an identification for a page? i.e. does that pair uniquely identify a page?. How do the values change in swapping and COW? thank. __________________________________________________ Do You Yahoo!? Try FREE Yahoo! Mail - the world's greatest free email! http://mail.yahoo.com/ -- Kernelnewbies: Help each other learn about the Linux kernel. Archive: http://mail.nl.linux.org/kernelnewbies/ FAQ: http://kernelnewbies.org/faq/