Hello, Can somebody explain what locking is in terms of read_lock, spin_lock, write_lock, and the like? What is the concept of locking defined to be, and how is it used in kernel 2.4? Thanks! Samuel Ting - Kernelnewbies: Help each other learn about the Linux kernel. Archive: http://mail.nl.linux.org/kernelnewbies/ IRC Channel: irc.openprojects.net / #kernelnewbies Web Page: http://www.kernelnewbies.org/