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SubjectRe: [PATCH 11/13] m68k/mm: make node data and node setup depend on CONFIG_DISCONTIGMEM
Hi Mike,

On Tue, Oct 27, 2020 at 12:31 PM Mike Rapoport <rppt@kernel.org> wrote:
> From: Mike Rapoport <rppt@linux.ibm.com>
>
> The pg_data_t node structures and their initialization currently depends on
> !CONFIG_SINGLE_MEMORY_CHUNK. Since they are required only for DISCONTIGMEM
> make this dependency explicit and replace usage of
> CONFIG_SINGLE_MEMORY_CHUNK with CONFIG_DISCONTIGMEM where appropriate.
>
> The CONFIG_SINGLE_MEMORY_CHUNK was implicitly disabled on the ColdFire MMU
> variant, although it always presumed a single memory bank. As there is no
> actual need for DISCONTIGMEM in this case, make sure that ColdFire MMU
> systems set CONFIG_SINGLE_MEMORY_CHUNK to 'y'.
>
> Signed-off-by: Mike Rapoport <rppt@linux.ibm.com>

Thanks for your patch!

> ---
> arch/m68k/Kconfig.cpu | 6 +++---
> arch/m68k/include/asm/page_mm.h | 2 +-
> arch/m68k/mm/init.c | 4 ++--
> 3 files changed, 6 insertions(+), 6 deletions(-)

Is there any specific reason you didn't convert the checks for
CONFIG_SINGLE_MEMORY_CHUNK in arch/m68k/kernel/setup_mm.c
and arch/m68k/include/asm/virtconvert.h?

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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