FUNCTION::USRDEV2KER(3stap) Device Tapset FUNCTION::USRDEV2KER(3stap)

# [NAME](#NAME)

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

# [SYNOPSIS](#SYNOPSIS)

```


    usrdev2kerndev:long(dev:long)
```

# [ARGUMENTS](#ARGUMENTS)

*dev*

Device number in user-space format.

# [SEE ALSO0](#SEE_ALSO0)

[*tapset::dev*(3stap)](/man/enterprise-packages/systemtap/tapset::dev.3stap)

September 2026 SystemTap Tapset Reference Ver

---

Document: function::usrdev2kerndev(3stap) from systemtap 5.6-r0 (Chainguard OS)
Source: https://sourceware.org/git/systemtap.git