intel_gvt_dma_unmap_guest_page
intel_gvt_dma_unmap_guest_page(vgpu, dma_addr);
intel_gvt_dma_unmap_guest_page(vgpu,
intel_gvt_dma_unmap_guest_page(vgpu, pfn << PAGE_SHIFT);
intel_gvt_dma_unmap_guest_page(vgpu, pfn << PAGE_SHIFT);
void intel_gvt_dma_unmap_guest_page(struct intel_vgpu *vgpu,