After a few more housekeeping checks, the penultimate step is to call the module's exit function (provided within the module itself).
在几个维护检查之后，倒数第二个步骤是调用模块的exit函数(模块内部自带)。
A typical program has a main, where an LKM has a module entry and exit function (in version 2.6, you can name these functions anything you wish).
典型的程序有一个main函数，其中LKM包含entry和exit函数(在2.6版本，您可以任意命名这些函数)。
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