arm64: mm: use arm64_dma_phys_limit instead of calling max_zone_dma_phys()
By the time we call zones_sizes_init() arm64_dma_phys_limit already contains the result of max_zone_dma_phys(). We use the variable instead of calling the function directly to save some precious cpu time. Signed-off-by: Nicolas Saenz Julienne <nsaenzjulienne@suse.de> Reviewed-by: Catalin Marinas <catalin.marinas@arm.com> Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
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@ -187,7 +187,7 @@ static void __init zone_sizes_init(unsigned long min, unsigned long max)
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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(max_zone_dma_phys());
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max_zone_pfns[ZONE_DMA32] = PFN_DOWN(arm64_dma_phys_limit);
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#endif
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max_zone_pfns[ZONE_NORMAL] = max;
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