---
name: "function::usrdev2kerndev"
section: "3stap"
platform: "linux"
package: "systemtap-doc"
version: "5.1-5"
release: "Debian 13 (Trixie)"
platforms: ["linux"]
url: "https://new.carta.tech/function::usrdev2kerndev"
---

# function::usrdev2kerndev(3stap)

Converts a user-space device number into the format used in the kernel

## NAME

function::usrdev2kerndev - Converts a user-space device number into the format used in the kernel

## SYNOPSIS

```
    usrdev2kerndev:long(dev:long)
```

## ARGUMENTS

*dev*

Device number in user-space format.

## SEE ALSO0

[*tapset::dev*(3stap)](/tapset::dev/3stap.md)