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);