m68k: mm: Fix systems with memory at end of 32-bit address space

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[ Upstream commit 0d9fad91ab ]

The calculation of end addresses of memory chunks overflowed to 0 when
a memory chunk is located at the end of 32-bit address space.
This is the case for the HP300 architecture.

Link: https://lore.kernel.org/linux-m68k/CACz-3rhUo5pgNwdWHaPWmz+30Qo9xCg70wNxdf7o5x-6tXq8QQ@mail.gmail.com/
Signed-off-by: Kars de Jong <jongk@linux-m68k.org>
Reviewed-by: Geert Uytterhoeven <geert@linux-m68k.org>
Link: https://lore.kernel.org/r/20230223112349.26675-1-jongk@linux-m68k.org
Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>

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Kars de Jong 2023-02-23 12:23:49 +01:00 • committed by Greg Kroah-Hartman

parent 0a594cb490

commit 4ee33bfaeb

1 changed files with 5 additions and 5 deletions

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arch/m68k/mm/motorola.c

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