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riscv: fixup max_low_pfn with PFN_DOWN.
[ Upstream commit 28198c4639
]
max_low_pfn should be pfn_size not byte_size.
Signed-off-by: Guo Ren <ren_guo@c-sky.com>
Signed-off-by: Mao Han <mao_han@c-sky.com>
Signed-off-by: Palmer Dabbelt <palmer@sifive.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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2 changed files with 3 additions and 2 deletions
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@ -186,7 +186,7 @@ static void __init setup_bootmem(void)
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BUG_ON(mem_size == 0);
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set_max_mapnr(PFN_DOWN(mem_size));
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max_low_pfn = memblock_end_of_DRAM();
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max_low_pfn = PFN_DOWN(memblock_end_of_DRAM());
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#ifdef CONFIG_BLK_DEV_INITRD
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setup_initrd();
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@ -29,7 +29,8 @@ static void __init zone_sizes_init(void)
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unsigned long max_zone_pfns[MAX_NR_ZONES] = { 0, };
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#ifdef CONFIG_ZONE_DMA32
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max_zone_pfns[ZONE_DMA32] = PFN_DOWN(min(4UL * SZ_1G, max_low_pfn));
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max_zone_pfns[ZONE_DMA32] = PFN_DOWN(min(4UL * SZ_1G,
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(unsigned long) PFN_PHYS(max_low_pfn)));
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#endif
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max_zone_pfns[ZONE_NORMAL] = max_low_pfn;
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