---
title: iovmUnmapMemory
framework: kernel
role: symbol
role_heading: Instance Method
path: kernel/iomapper/1532968-iovmunmapmemory
---

# iovmUnmapMemory

## Declaration

```occ
virtual IOReturn iovmUnmapMemory(IOMemoryDescriptor *memory, IODMACommand *dmaCommand, uint64_t mapAddress, uint64_t mapLength);
```

## See Also

### Mapping Memory Addresses

- [mapToPhysicalAddress](kernel/iomapper/1532966-maptophysicaladdress.md)
- [iovmMapMemory](kernel/iomapper/1532977-iovmmapmemory.md)
- [iovmInsert](kernel/iomapper/1532983-iovminsert.md)