How to understand the macro __init?

Vijay Chauhan kernel.vijay at gmail.com
Thu Aug 16 07:53:17 EDT 2012


Hi,

On Tue, Aug 14, 2012 at 9:34 AM, Mulyadi Santosa
<mulyadi.santosa at gmail.com> wrote:
> Hi.. :)
>
> On Tue, Aug 14, 2012 at 9:14 AM, 王哲 <wangzhe5004 at gmail.com> wrote:
>> i use the __init for function print_k.
>> in my opinion  after the fisrt invoking the print_k in the hello_init.
>> the memory of print_k will be freed,and the second invoking will
>> not be executed.but the result of second invoking is executing .
>>
>> why?
>
> because you're still in module_init.... :)
>
> right after modul init stage is done, _init marked function is thrown away...


Even if we call  print_k() function inside hello_exit, it still works.
At that point __init hello_init execution is over. How its still
working?


Regards,
Vijay

>
> --
> regards,
>
> Mulyadi Santosa
> Freelance Linux trainer and consultant
>
> blog: the-hydra.blogspot.com
> training: mulyaditraining.blogspot.com
>
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