because it may be swapped out to disk ... you need a special function that can deal with that (and swaps it right back in)
Why can't we use the "page fault handler" like in user space to swap the page back in? Thanks, Cheng -- Kernelnewbies: Help each other learn about the Linux kernel. Archive: http://mail.nl.linux.org/kernelnewbies/ FAQ: http://kernelnewbies.org/faq/
