forked from luck/tmp_suning_uos_patched
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: Geert Uytterhoeven <geert@linux-m68k.org> Acked-by: Greg Ungerer <gerg@uclinux.org> Tested-by: Greg Ungerer <gerg@uclinux.org>
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@ -98,7 +98,7 @@ static void __init mcf54xx_bootmem_alloc(void)
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memstart = PAGE_ALIGN(_ramstart);
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min_low_pfn = PFN_DOWN(_rambase);
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start_pfn = PFN_DOWN(memstart);
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max_low_pfn = PFN_DOWN(_ramend);
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max_pfn = max_low_pfn = PFN_DOWN(_ramend);
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high_memory = (void *)_ramend;
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m68k_virt_to_node_shift = fls(_ramend - _rambase - 1) - 6;
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