> While trying kernel function to print a message to console using > printk, am getting a warning "warning: Implicit declaration of printk > function" > I suppose this is the cause for my message not getting printed. I don't think so. The warning tells that you haven't provided the prototype of printk() before using it, and therefore the compiler cannot do any type checking. This in itself is not a reason for messages not getting printed. -Ravi. __________________________________________________ Do You Yahoo!? Try FREE Yahoo! Mail - the world's greatest free email! http://mail.yahoo.com/ -- Kernelnewbies: Help each other learn about the Linux kernel. Archive: http://mail.nl.linux.org/kernelnewbies/ FAQ: http://kernelnewbies.org/faq/