Thomas Petazzoni wrote: > 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. > Wouldn't mlockall used in the application do it? Mark -- Kernelnewbies: Help each other learn about the Linux kernel. Archive: http://mail.nl.linux.org/kernelnewbies/ FAQ: http://kernelnewbies.org/faq/
