On Fri, 05 Jul 2002 10:27:31 +0400 Kirill Messel <kirill.messel@mtu-net.ru> wrote: KM> Actually copy_to_user() and copy_from_user() is the KM> prototype get_user() and put_user? {get|put}_user are used to transfer single values to/from user-space of 1,2,4,8 bytes (the last one is 64bit arch) (check __put_user_size macro in include/asm/uaccess.h). They should be used instead of copy_{to|from}_user when transfering the above values for speed gain ({put|get}_user are much faster). Felipe -- Kernelnewbies: Help each other learn about the Linux kernel. Archive: http://mail.nl.linux.org/kernelnewbies/ FAQ: http://kernelnewbies.org/faq/