"Kirk True" <ktrue@movaris.com> writes: > Hi Ed, > >> I sure could use a bit. Can anyone confirm or deny that those bits >> really are unused? > > This is probably a bad idea, but couldn't you "poison" those bits like the > slab debugger does and see if anything changes them? Well, there are only three bits, so any magic number isn't going to be very improbable ... I guess I could do something silly like scanning the page tables to make sure that the bits don't change every X timer interrupts or something, but that seems like a waste of time, since I'd think it would be common knowledge if these bits were being used. -- --Ed L Cashin | PGP public key: ecashin@uga.edu | http://noserose.net/e/pgp/ -- Kernelnewbies: Help each other learn about the Linux kernel. Archive: http://mail.nl.linux.org/kernelnewbies/ FAQ: http://kernelnewbies.org/faq/
