Re: mm_init() functions in kernel code

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On Wed, May 18, 2011 at 7:49 AM, Greg <groglein@xxxxxxxxx> wrote:
> On Tue, May 17, 2011 at 6:43 PM, Vikram Narayanan <vikram186@xxxxxxxxx> wrote:
>> Hi,
>>
>> I saw two mm_init functions in the kernel source code.
>> 1) init/main.c    (http://lxr.linux.no/#linux+v2.6.38/init/main.c#L530)
>> 2) kernel/fork.c (http://lxr.linux.no/#linux+v2.6.38/kernel/fork.c#L482)
>>
>> Are the above functions go inside a single binary? How this doesn't
>> produce a redefinition error?
>>
>> Thanks,
>> Vikram
> Both of these define mm_init as static so they aren't visible outside
> the source file that has them.  Plus they don't use the EXPORT_SYMBOL
> macro to indicate that it can be called from elsewhere in the kernel.
> There is another mm_init function in drivers/block/umem.c as well
> which is also static.
Thanks. (I haven't noticed the static there ;) )

-
Thanks,
Vikram

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