From: Nicolas Saenz Julienne Date: Wed, 11 Sep 2019 18:25:43 +0000 (+0200) Subject: arm64: mm: use arm64_dma_phys_limit instead of calling max_zone_dma_phys() X-Git-Tag: for-5.5/io_uring-post-20191128~50^2~4^4~7 X-Git-Url: https://git.kernel.dk/?a=commitdiff_plain;h=ae970dc096b2d39f65f2e18d142e3978dc9ee1c7;p=linux-2.6-block.git 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 Reviewed-by: Catalin Marinas Signed-off-by: Catalin Marinas --- diff --git a/arch/arm64/mm/init.c b/arch/arm64/mm/init.c index 45c00a54909c..098c0f5bedf6 100644 --- a/arch/arm64/mm/init.c +++ b/arch/arm64/mm/init.c @@ -187,7 +187,7 @@ static void __init zone_sizes_init(unsigned long min, unsigned long max) 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;