From c17f622cbb33332a305ef383506740d3d01aa831 Mon Sep 17 00:00:00 2001 From: Nicolas Saenz Julienne Date: Wed, 11 Sep 2019 20:25:43 +0200 Subject: [PATCH] arm64: mm: use arm64_dma_phys_limit instead of calling max_zone_dma_phys() commit ae970dc096b2d39f65f2e18d142e3978dc9ee1c7 upstream. 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 Reviewed-by: Catalin Marinas Signed-off-by: Catalin Marinas --- arch/arm64/mm/init.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) --- a/arch/arm64/mm/init.c +++ b/arch/arm64/mm/init.c @@ -181,7 +181,7 @@ static void __init zone_sizes_init(unsig unsigned long max_zone_pfns[MAX_NR_ZONES] = {0}; #ifdef CONFIG_ZONE_DMA32 - max_zone_pfns[ZONE_DMA32] = PFN_DOWN(max_zone_dma_phys()); + max_zone_pfns[ZONE_DMA32] = PFN_DOWN(arm64_dma_phys_limit); #endif max_zone_pfns[ZONE_NORMAL] = max;