Hi Anshuman,

Thanks for your patch!

On Mon, Mar 2, 2020 at 2:56 AM Anshuman Khandual
[off-list ref] wrote:

Currently there are many platforms that dont enable HAVE_ARCH_PTE_SPECIAL

ARCH_HAS_PTE_SPECIAL

but required to define quite similar fallback stubs for special page table
entry helpers such as pte_special() and pte_mkspecial(), as they get build
in generic MM without a config check. This creates two generic fallback
stub definitions for these helpers, eliminating much code duplication.

mips platform has a special case where pte_special() and pte_mkspecial()
visibility is wider than what HAVE_ARCH_PTE_SPECIAL enablement requires.

ARCH_HAS_PTE_SPECIAL

This restricts those symbol visibility in order to avoid redefinitions
which is now exposed through this new generic stubs and subsequent build
failure. arm platform set_pte_at() definition needs to be moved into a C
file just to prevent a build failure.

Signed-off-by: Anshuman Khandual <redacted>

 arch/m68k/include/asm/mcf_pgtable.h      | 10 ------
 arch/m68k/include/asm/motorola_pgtable.h |  2 --
 arch/m68k/include/asm/sun3_pgtable.h     |  2 --

For m68k:
Acked-by: Geert Uytterhoeven <geert@linux-m68k.org>

Gr{oetje,eeting}s,

                        Geert

-- 
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@linux-m68k.org

In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
                                -- Linus Torvalds

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