On Wed, Mar 06, 2002 at 04:31:26PM -0000, Pichai Raghavan wrote: > We are running Linux on an embedded system(MIPS processor) that > has no disk for swap. Also we are passing huge data structures > from user to kernel space in our driver. Can we avoid copy-in's > and make the driver use the virtual address from the kernel > space. Sure, just implement the mmap() method for your driver. Erik -- J.A.K. (Erik) Mouw, Information and Communication Theory Group, Faculty of Information Technology and Systems, Delft University of Technology, PO BOX 5031, 2600 GA Delft, The Netherlands Phone: +31-15-2783635 Fax: +31-15-2781843 Email: J.A.K.Mouw@its.tudelft.nl WWW: http://www-ict.its.tudelft.nl/~erik/ -- Kernelnewbies: Help each other learn about the Linux kernel. Archive: http://mail.nl.linux.org/kernelnewbies/ FAQ: http://kernelnewbies.org/faq/
