As cool as that looks, using colours to make something into a picture is lame. You can do that with anything with the same amount of success.
Whatever the code is, it's definitely not complete, since it ends with "brea".
From a quick Google search, I'd say that this is the file it's from:
http://fxr.watson.org/fxr/source/init/main.c?v=linux-2.6It's anybody's guess which version, though.