PROBE::VM.WRITE\_SH(3stap) Memory Tapset PROBE::VM.WRITE\_SH(3stap)

# [NAME](#NAME)

probe::vm.write\_shared\_copy - Page copy for shared page write

# [SYNOPSIS](#SYNOPSIS)

```
probe vm.write_shared_copy {}
```

# [VALUES](#VALUES)

*address*

The address of the shared write

*zero*

boolean indicating whether it is a zero page (can do a clear instead of a copy)

*name*

Name of the probe point

# [CONTEXT](#CONTEXT)

The process attempting the write.

# [DESCRIPTION](#DESCRIPTION)

Fires when a write to a shared page requires a page copy. This is always preceded by a vm.write\_shared.

# [SEE ALSO0](#SEE_ALSO0)

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

September 2026 SystemTap Tapset Reference Ver

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