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

# probe::vm.write\_shared\_copy(3stap)

Page copy for shared page write

## NAME

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

## SYNOPSIS

```
vm.write_shared_copy
```

## VALUES

*zero*

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

*address*

The address of the shared write

*name*

Name of the probe point

## CONTEXT

The process attempting the write.

## DESCRIPTION

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

## SEE ALSO0

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