---
title: iocompressionstats_notification_subsystem
framework: Kernel
role: symbol
role_heading: Global Variable
platforms: [macOS 11.3+]
path: kernel/iocompressionstats_notification_subsystem
---

# iocompressionstats_notification_subsystem

## Declaration

```occ
const struct iocompressionstats_notification_subsystem iocompressionstats_notification_subsystem;
```