iommu_unmap_page  833 arch/powerpc/kernel/iommu.c void iommu_unmap_page(struct iommu_table *tbl, dma_addr_t dma_handle,
iommu_unmap_page 1721 drivers/iommu/amd_iommu.c static unsigned long iommu_unmap_page(struct protection_domain *dom,