---
title: kIOMemoryMapCopyOnWrite
framework: Kernel
role: symbol
role_heading: Enumeration Case
platforms: [macOS 10.14+]
path: kernel/1643338-anonymous/kiomemorymapcopyonwrite
---

# kIOMemoryMapCopyOnWrite

## Declaration

```occ
kIOMemoryMapCopyOnWrite = 0x00020000
```