linux.conf.au
The Compulsory Module Rant

2.4 module code:

kernel provides:
create_module - 50 lines
init_module - 230 lines
delete_module - 80 lines
query_module - 270 lines
/proc/modules - 80 lines
/proc/ksyms - 80 lines

kernel/module.c: 1284 lines.