On Fri, 2002-12-27 at 12:21, John Navil Joseph wrote: > I am sorry if i get this wrong. But are you suggesting that > page fault handling doesn't work in kernel mode? It should automatically > load the swapped page in right.? So why should one be careful here..? You need to be careful about running the page fault handler inside the kernel. Accessing user-space memory should only be done via copy_to_user(), copy_from_user(), put_user(), and get_user(). These also take care of permission checking. Robert Love -- Kernelnewbies: Help each other learn about the Linux kernel. Archive: http://mail.nl.linux.org/kernelnewbies/ FAQ: http://kernelnewbies.org/faq/
