The Kernel Newbie Corner: Loadable Kernel Modules, Coming and GoingJul 08, 2009, 19:32 (0 Talkback[s])
(Other stories by Rob Day)
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"Now, the purpose of a module's entry and exit routines is simple: it's your job to invoke everything that needs to happen upon module loading (allocating memory, registering devices, etc.), as well as module unloading (returning memory, unregistering devices, etc.), and here's the most important part: You have to clean up after yourself completely.
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