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Long before we had a generic way for firmware to export memory ranges of interest we added a special case for the skiboot symbol map. The code is pretty much identical to the generic export so re-use the code. Signed-off-by: Oliver O'Halloran <oohall@gmail.com> Signed-off-by: Michael Ellerman <mpe@ellerman.id.au> Link: https://lore.kernel.org/r/20191101062611.32610-2-oohall@gmail.com