Undefined symbol "min_low_pfn"

[Anupama Chandwani]

Hi,

I see min_low_pfn as an exported symbol so I am trying to print it
from a kernel module (also of GPL license), but I am getting a
undefined reference.
I want to know what pages (page frame numbers) are used by kernel
code/data/bss etc. min_low_pfn would have told me the lowest usable
pfn.
Is there another way of getting this information? Or printing the min_low_pfn?

--
Thanks,
Anupama Chandwani
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