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Commit 4722b8fe authored by Geert Uytterhoeven's avatar Geert Uytterhoeven
Browse files

m68k/mm: m54xx - Add missing initialization of max_pfn 



If max_pfn is not initialized, the various /proc/kpage* files are empty,
and selftests/vm/mlock2-tests will fail. max_pfn is also used by the
block layer to calculate DMA masks.

Signed-off-by: default avatarGeert Uytterhoeven <geert@linux-m68k.org>
Acked-by: default avatarGreg Ungerer <gerg@uclinux.org>
Tested-by: default avatarGreg Ungerer <gerg@uclinux.org>
parent 79ae4fa5

arch/m68k/coldfire/m54xx.c

+1 −1
Original line number Diff line number Diff line
@@ -98,7 +98,7 @@ static void __init mcf54xx_bootmem_alloc(void) 
	memstart = PAGE_ALIGN(_ramstart);

	min_low_pfn = PFN_DOWN(_rambase);

	start_pfn = PFN_DOWN(memstart);

	max_low_pfn = PFN_DOWN(_ramend);

	max_pfn = max_low_pfn = PFN_DOWN(_ramend);

	high_memory = (void *)_ramend;



	m68k_virt_to_node_shift = fls(_ramend - _rambase - 1) - 6;