---
title: getPhysicalAddress
framework: kernel
role: pseudoSymbol
path: kernel/iomemorydescriptor/1812795-getphysicaladdress
---

# getPhysicalAddress

Return the physical address of the first byte in the memory.

## Declaration

```occ
IOPhysicalAddress getPhysicalAddress(); 
```

## Return Value

Return Value A physical address.

## Overview

Overview This method returns the physical address of the first byte in the memory. It is most useful on memory known to be physically contiguous.

## See Also

### Getting the Memory Pages

- [getPageCounts](kernel/iomemorydescriptor/1812787-getpagecounts.md)
- [getPageCounts](kernel/iomemorydescriptor/1441992-getpagecounts.md)
- [getPhysicalAddress](kernel/iomemorydescriptor/1441916-getphysicaladdress.md)
- [getPhysicalSegment](kernel/iomemorydescriptor/1812807-getphysicalsegment.md)
- [getPhysicalSegment](kernel/iomemorydescriptor/1442068-getphysicalsegment.md)