---
title: kIOMemoryTypePersistentMD
framework: Kernel
role: symbol
role_heading: Enumeration Case
platforms: [macOS 10.12+]
path: kernel/1643338-anonymous/kiomemorytypepersistentmd
---

# kIOMemoryTypePersistentMD

## Declaration

```occ
kIOMemoryTypePersistentMD = 0x00000040
```