Extern or forward variable declaration at include/linux/dma-contiguous.h, line 59 References: arch/arm64/mm/dma-mapping.c, line 57 arch/arm64/mm/dma-mapping.c, line 102 arch/arm64/mm/dma-mapping.c, line 102 arch/arm64/mm/dma-mapping.c, line 105 arch/arm64/mm/dma-mapping.c, line 107 arch/arm64/mm/dma-mapping.c, line 110 arch/arm64/mm/dma-mapping.c, line 111 arch/arm64/mm/dma-mapping.c, line 138 arch/arm64/mm/dma-mapping.c, line 138 arch/arm64/mm/dma-mapping.c, line 146 arch/arm64/mm/dma-mapping.c, line 146 arch/arm64/mm/dma-mapping.c, line 147 arch/arm64/mm/dma-mapping.c, line 150 arch/arm64/mm/dma-mapping.c, line 167 arch/arm64/mm/dma-mapping.c, line 168 arch/arm64/mm/dma-mapping.c, line 197 arch/arm64/mm/dma-mapping.c, line 197 arch/arm64/mm/dma-mapping.c, line 204 arch/arm64/mm/dma-mapping.c, line 339 arch/arm64/mm/dma-mapping.c, line 339 arch/arm64/mm/dma-mapping.c, line 344 arch/arm64/mm/dma-mapping.c, line 353 arch/arm64/mm/dma-mapping.c, line 353 arch/arm64/mm/dma-mapping.c, line 355 arch/arm64/mm/dma-mapping.c, line 393 arch/arm64/mm/dma-mapping.c, line 393 arch/arm64/mm/dma-mapping.c, line 398 arch/arm64/mm/dma-mapping.c, line 401 arch/arm64/mm/dma-mapping.c, line 403 arch/arm64/mm/dma-mapping.c, line 405 arch/arm64/mm/dma-mapping.c, line 414 arch/arm64/mm/dma-mapping.c, line 421 arch/arm64/mm/dma-mapping.c, line 442 arch/arm64/mm/dma-mapping.c, line 443 arch/arm64/mm/dma-mapping.c, line 475 arch/arm64/mm/dma-mapping.c, line 475 arch/arm64/mm/dma-mapping.c, line 594 arch/arm64/mm/dma-mapping.c, line 594 arch/arm64/mm/dma-mapping.c, line 601 arch/arm64/mm/dma-mapping.c, line 602 arch/arm64/mm/dma-mapping.c, line 602 arch/arm64/mm/dma-mapping.c, line 604 arch/arm64/mm/dma-mapping.c, line 609 arch/arm64/mm/dma-mapping.c, line 612 arch/arm64/mm/dma-mapping.c, line 619 arch/arm64/mm/dma-mapping.c, line 619 arch/arm64/mm/dma-mapping.c, line 621 arch/arm64/mm/dma-mapping.c, line 623 arch/arm64/mm/dma-mapping.c, line 626 arch/arm64/mm/dma-mapping.c, line 628 arch/arm64/mm/dma-mapping.c, line 633 arch/arm64/mm/dma-mapping.c, line 635 arch/arm64/mm/dma-mapping.c, line 640 arch/arm64/mm/dma-mapping.c, line 645 arch/arm64/mm/dma-mapping.c, line 681 arch/arm64/mm/dma-mapping.c, line 681 arch/arm64/mm/dma-mapping.c, line 684 arch/arm64/mm/dma-mapping.c, line 740 arch/arm64/mm/dma-mapping.c, line 740 arch/arm64/mm/dma-mapping.c, line 741 arch/arm64/mm/dma-mapping.c, line 777 arch/arm64/mm/dma-mapping.c, line 777 arch/arm64/mm/dma-mapping.c, line 784 arch/s390/kernel/setup.c, line 98 arch/s390/kernel/setup.c, line 471 arch/s390/kernel/setup.c, line 483 arch/s390/kernel/setup.c, line 486 arch/s390/kernel/setup.c, line 489 drivers/iommu/amd_iommu.c, line 1343 drivers/iommu/amd_iommu.c, line 1361 drivers/iommu/amd_iommu.c, line 1362 drivers/iommu/amd_iommu.c, line 1365 drivers/iommu/amd_iommu.c, line 1369 drivers/iommu/amd_iommu.c, line 2413 drivers/iommu/amd_iommu.c, line 2413 drivers/iommu/amd_iommu.c, line 2418 drivers/iommu/amd_iommu.c, line 2594 drivers/iommu/amd_iommu.c, line 2594 drivers/iommu/amd_iommu.c, line 2598 drivers/iommu/amd_iommu.c, line 2599 drivers/iommu/amd_iommu.c, line 2600 drivers/iommu/amd_iommu.c, line 2610 drivers/iommu/amd_iommu.c, line 2611 drivers/iommu/amd_iommu.c, line 2615 drivers/iommu/amd_iommu.c, line 2617 drivers/iommu/amd_iommu.c, line 2624 drivers/iommu/amd_iommu.c, line 2630 drivers/iommu/amd_iommu.c, line 2634 drivers/iommu/amd_iommu.c, line 2635 drivers/iommu/amd_iommu.c, line 2649 drivers/iommu/amd_iommu.c, line 2649 drivers/iommu/amd_iommu.c, line 2651 drivers/iommu/amd_iommu.c, line 2663 drivers/iommu/amd_iommu.c, line 2664 drivers/iommu/intel-iommu.c, line 166 drivers/iommu/intel-iommu.c, line 635 drivers/iommu/intel-iommu.c, line 635 drivers/iommu/intel-iommu.c, line 638 drivers/iommu/intel-iommu.c, line 639 drivers/iommu/intel-iommu.c, line 640 drivers/iommu/intel-iommu.c, line 1178 drivers/iommu/intel-iommu.c, line 1180 drivers/iommu/intel-iommu.c, line 1182 drivers/iommu/intel-iommu.c, line 1202 drivers/iommu/intel-iommu.c, line 1206 drivers/iommu/intel-iommu.c, line 1254 drivers/iommu/intel-iommu.c, line 1258 drivers/iommu/intel-iommu.c, line 1270 drivers/iommu/intel-iommu.c, line 1280 drivers/iommu/intel-iommu.c, line 1282 drivers/iommu/intel-iommu.c, line 1292 drivers/iommu/intel-iommu.c, line 1292 drivers/iommu/intel-iommu.c, line 1994 drivers/iommu/intel-iommu.c, line 3648 drivers/iommu/intel-iommu.c, line 3648 drivers/iommu/intel-iommu.c, line 3653 drivers/iommu/intel-iommu.c, line 3664 drivers/iommu/intel-iommu.c, line 3712 drivers/iommu/intel-iommu.c, line 3712 drivers/iommu/intel-iommu.c, line 3730 drivers/iommu/intel-iommu.c, line 3731 drivers/iommu/intel-iommu.c, line 3732 drivers/iommu/intel-iommu.c, line 3733 drivers/iommu/intel-iommu.c, line 3734 drivers/iommu/intel-iommu.c, line 3738 drivers/iommu/intel-iommu.c, line 3739 drivers/iommu/intel-iommu.c, line 3740 drivers/iommu/intel-iommu.c, line 3742 drivers/iommu/intel-iommu.c, line 3744 drivers/iommu/intel-iommu.c, line 3748 drivers/iommu/intel-iommu.c, line 3749 drivers/iommu/intel-iommu.c, line 3750 drivers/iommu/intel-iommu.c, line 3759 drivers/iommu/intel-iommu.c, line 3759 drivers/iommu/intel-iommu.c, line 3765 drivers/iommu/intel-iommu.c, line 3766 drivers/iommu/intel-iommu.c, line 4564 drivers/iommu/intel-iommu.c, line 5067