Hi, Le Fri, 21 Jul 2006 14:28:13 +0530, "Linux Learner" <learner.kernel@xxxxxxxxx> a écrit : > Is it possible to do some kind of page locking or pinning from > application, so that kernel doesn't swap out the page as long as > application is alive? For example, I want a global variable's address > to be valid in kernel (here validity only means the page corresponding > to user space virtual address to be present). Use copy_from_user() in the kernel. It will automagically fetch the page from swap or from anywhere it is. Sincerly, Thomas -- Thomas Petazzoni - thomas.petazzoni@xxxxxxxx http://{thomas,sos,kos}.enix.org - http://www.toulibre.org http://www.{livret,agenda}dulibre.org -- Kernelnewbies: Help each other learn about the Linux kernel. Archive: http://mail.nl.linux.org/kernelnewbies/ FAQ: http://kernelnewbies.org/faq/