At work the functional test suite of our application used up quite a lot of RAM (over 500 megs). For a long time it was cheaper to buy the developers an extra gig of RAM than to spend time hunting down a possible memory leak, but finally curiosity overcame me and I started investigating.
FreeBSD 7.0 has already been released. If you are a real hacker, the best way to jump in and learn it is hacking together an introductory kernel module. In this article I’ll implement a very basic module that prints a message when it is loaded, and another when it is unloaded. I’ll also cover the mechanics of compiling our module using standard tools and rebuilding the stock FreeBSD kernel. Let’s do it!
Driver
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nici-2.6.7-0.01.i386.rpm
