EXPORT_SYMBOL Vs extern?

["pradeep singh" <2500.pradeep@xxxxxxxxx>]

Hi All,

A Quick but perhaps dumbass query,

1. int function_A(...)
    {
         ...;
    }

2. int function_B(...)
    {
         ...;
    }
    EXPORT_SYMBOL(function_B);

Okay i understand I should use the EXPORT_SYMBOL way if i want
function_B to be used by rest of the kernel.

Now I have a doubt -

Is it a compulsion for a function which need to be used in any other
source file, exported through EXPORT_SYMBOL only?
Does this means all the places in kernel(and there are loads of them),
where a function is non-static and is used in other source files
should actually be using EXPORT_SYMBOL?

Thanks,
     ~Pradeep
-- 
play the game

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