From mboxrd@z Thu Jan  1 00:00:00 1970
From: Andrew Morton <akpm@linux-foundation.org>
Date: Fri, 13 Dec 2013 20:59:54 +0000
Subject: Re: [PATCH] sh: Add EXPORT_SYMBOL(min_low_pfn) and EXPORT_SYMBOL(max_low_pfn) to sh_ksyms_32.c
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On Fri, 13 Dec 2013 09:51:00 +0100 Geert Uytterhoeven <geert@linux-m68k.org> wrote:

> Note that Ralf decided to fix it differently, by uninlining virt_addr_valid:

geeze, what a mess this is.

I suppose that the proposed sh patch is reasonable - it's the sh
implementation of virt_addr_valid() whcih chooses to use these symbols
so sh should export them to support that implementation.