CONFIG_SWIOTLB 6 arch/x86/include/asm/swiotlb.h #ifdef CONFIG_SWIOTLB CONFIG_SWIOTLB 67 include/drm/ttm/ttm_page_alloc.h #if defined(CONFIG_SWIOTLB) || defined(CONFIG_INTEL_IOMMU) CONFIG_SWIOTLB 112 include/linux/swiotlb.h #ifdef CONFIG_SWIOTLB