[RFC V2 6/6] mm: Drop pxd_ERROR()

Geert Uytterhoeven geert at linux-m68k.org
Mon Aug 10 23:49:43 PDT 2026


Hi Anshuman,

Thanks for your patch!

On Tue, 11 Aug 2026 at 06:22, Anshuman Khandual
<anshuman.khandual at arm.com> wrote:
> pxd_ERROR() has been used in generic mm just to print the page table entry
> in pxd_clear_bad() before clearing those out with pxd_clear() later. These
> pxd_ERROR() macros have been provided by all platforms which basically did
> the same thing.
>
> Make pxd_clear_bad() use recently added ptval_to_str() instead for printing
> page table entries thus completely dropping dependency on platform provided
> pxd_ERROR() macros which can then be dropped off. First move all required
> helpers in core MM into a header file which could then be used else where.

Oh, the "x" in "pxd" is a wildcard?
Except that is not, as it does not match "pte" ;-)

> Signed-off-by: Anshuman Khandual <anshuman.khandual at arm.com>

>  arch/m68k/include/asm/mcf_pgtable.h           |  6 ---
>  arch/m68k/include/asm/motorola_pgtable.h      |  8 ----
>  arch/m68k/include/asm/sun3_pgtable.h          |  7 ----

Acked-by: Geert Uytterhoeven <geert at linux-m68k.org> # m68k

Gr{oetje,eeting}s,

                        Geert

-- 
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert at 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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