Re: [PATCH 1/2] m68k/nommu: add missing definition of ARCH_PFN_OFFSET

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On 14.02.23 15:07, Mike Rapoport wrote:
From: "Mike Rapoport (IBM)" <rppt@xxxxxxxxxx>

On m68k/nommu RAM does not necessarily start at 0x0 and when it does not
pfn_valid() uses a wrong offset into the memory map which causes silent
boot failures.

Define ARCH_PFN_OFFSET to make pfn_valid() use the correct offset.

Reported-by: Guenter Roeck <linux@xxxxxxxxxxxx>
Fixes: d82f07f06cf8 ("m68k: use asm-generic/memory_model.h for both MMU and !MMU")
Signed-off-by: Mike Rapoport (IBM) <rppt@xxxxxxxxxx>

Reviewed-by: David Hildenbrand <david@xxxxxxxxxx>


David / dhildenb

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