---
title: maxSegmentSize
framework: kernel
role: pseudoSymbol
path: kernel/iomemorycursor/maxsegmentsize
---

# maxSegmentSize

## Declaration

```occ
IOPhysicalLength maxSegmentSize;
```

## Overview

Overview Maximum size of one segment in a scatter/gather list

## See Also

### Instance Variables

- [outSeg](kernel/iomemorycursor/outseg.md)
- [maxTransferSize](kernel/iomemorycursor/maxtransfersize.md)
- [alignMask](kernel/iomemorycursor/alignmask.md)