dma_32bit_pfn 46 drivers/iommu/iova.c iovad->dma_32bit_pfn = 1UL << (32 - iova_shift(iovad)); dma_32bit_pfn 47 drivers/iommu/iova.c iovad->max32_alloc_size = iovad->dma_32bit_pfn; dma_32bit_pfn 119 drivers/iommu/iova.c if (limit_pfn <= iovad->dma_32bit_pfn) dma_32bit_pfn 128 drivers/iommu/iova.c if (new->pfn_hi < iovad->dma_32bit_pfn) dma_32bit_pfn 141 drivers/iommu/iova.c (free->pfn_hi < iovad->dma_32bit_pfn && dma_32bit_pfn 144 drivers/iommu/iova.c iovad->max32_alloc_size = iovad->dma_32bit_pfn; dma_32bit_pfn 195 drivers/iommu/iova.c if (limit_pfn <= iovad->dma_32bit_pfn && dma_32bit_pfn 75 include/linux/iova.h unsigned long dma_32bit_pfn;