This is a note to let you know that I've just added the patch titled
m68k: fix flatmem memory model setup
to the 5.11-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
m68k-fix-flatmem-memory-model-setup.patch
and it can be found in the queue-5.11 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
commit 207db0839fb6bd8932d1f0a07b31d8674f34c1bf
Author: Angelo Dureghello <angelo@xxxxxxxxxxxxxxxx>
Date: Sun Feb 28 20:08:28 2021 +0100
m68k: fix flatmem memory model setup
[ Upstream commit d2bd44c4c05d043fb65cfdf26c54e6d8b94a4b41 ]
Detected a broken boot on mcf54415, likely introduced from
commit 4bfc848e0981
("m68k/mm: enable use of generic memory_model.h for !DISCONTIGMEM")
Fix ARCH_PFN_OFFSET to be a pfn.
Signed-off-by: Angelo Dureghello <angelo@xxxxxxxxxxxxxxxx>
Acked-by: Mike Rapoport <rppt@xxxxxxxxxxxxx>
Signed-off-by: Greg Ungerer <gerg@xxxxxxxxxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
diff --git a/arch/m68k/include/asm/page_mm.h b/arch/m68k/include/asm/page_mm.h
index 7f5912af2a52..21b1071e0a34 100644
--- a/arch/m68k/include/asm/page_mm.h
+++ b/arch/m68k/include/asm/page_mm.h
@@ -167,7 +167,7 @@ static inline __attribute_const__ int __virt_to_node_shift(void)
((__p) - pgdat->node_mem_map) + pgdat->node_start_pfn; \
})
#else
-#define ARCH_PFN_OFFSET (m68k_memory[0].addr)
+#define ARCH_PFN_OFFSET (m68k_memory[0].addr >> PAGE_SHIFT)
#include <asm-generic/memory_model.h>
#endif
