linux-kernel - Re: [PATCH] m68k: Remove redefinitions of `PMD_SIZE`, `PMD

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Message-ID: <CAMuHMdUWvnz4jCyPctZevq8MdFtCD8MCNSfDbCVR+__rP_=gvw@mail.gmail.com>
Date:   Mon, 26 Jul 2021 11:23:31 +0200
From:   Geert Uytterhoeven <geert@...ux-m68k.org>
To:     Wende Tan <twd2.me@...il.com>
Cc:     linux-m68k <linux-m68k@...ts.linux-m68k.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        kbuild test robot <lkp@...el.com>
Subject: Re: [PATCH] m68k: Remove redefinitions of `PMD_SIZE`, `PMD_MASK`, etc.

Hi Wende,

On Wed, Jul 21, 2021 at 12:44 PM Wende Tan <twd2.me@...il.com> wrote:
> Remove redefinitions of `PMD_SIZE`, `PMD_MASK`, `PTRS_PER_PMD`,
> and `__PAGETABLE_PMD_FOLDED` when PGTABLE_LEVELS == 2 (i.e. SUN3 ||
> COLDFIRE).  They have already been defined in
> `asm-generic/pgtable-nopmd.h`.

Thanks for your patch!

> See also https://lore.kernel.org/lkml/202107201907.lqC6B3dF-lkp@intel.com/#t

I'm a bit confused: is this a new issue introduced by the patch from
the above thread, or is this a pre-existing issue?
If the latter, do you know when it was introduced, and how to reproduce it?

> Reported-by: kernel test robot <lkp@...el.com>
> Signed-off-by: Wende Tan <twd2.me@...il.com>

Gr{oetje,eeting}s,

                        Geert

-- 
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@...ux-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