iommu_arena_alloc 318 arch/alpha/kernel/pci_iommu.c dma_ofs = iommu_arena_alloc(dev, arena, npages, align); iommu_arena_alloc 609 arch/alpha/kernel/pci_iommu.c dma_ofs = iommu_arena_alloc(dev, arena, npages, 0);