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m68k/mm: motorola - Add missing initialization of max_pfn

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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: Geert Uytterhoeven <geert@linux-m68k.org>
Acked-by: Greg Ungerer <gerg@uclinux.org>
This commit is contained in:
Geert Uytterhoeven 2015-11-15 11:34:20 +01:00
parent 8005c49d9a
commit 79ae4fa5c0
1 changed files with 1 additions and 1 deletions
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2
arch/m68k/mm/motorola.c
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@ -250,7 +250,7 @@ void __init paging_init(void)
high_memory = phys_to_virt(max_addr);
min_low_pfn = availmem >> PAGE_SHIFT;
max_low_pfn = max_addr >> PAGE_SHIFT;
max_pfn = max_low_pfn = max_addr >> PAGE_SHIFT;
for (i = 0; i < m68k_num_memory; i++) {
addr = m68k_memory[i].addr;