---
name: "vm_set_page_size"
section: "9"
platform: "linux"
package: "freebsd-manpages"
version: "6.0-5"
release: "Debian 4.0 (Etch)"
platforms: ["linux", "freebsd"]
url: "https://new.carta.tech/vm_set_page_size"
---

# vm\_set\_page\_size(9)

initialize the system page size

## NAME

**vm\_set\_page\_size** – initialize the system page size

## SYNOPSIS

**#include \<sys/param.h\>**

**#include \<vm/vm.h\>**

**#include \<vm/vm\_page.h\>**

*void*\

**vm\_set\_page\_size**(*void*);

## DESCRIPTION

The **vm\_set\_page\_size**() function initializes the system page size. If *cnt.v\_page\_size* (see ⟨sys/vmmeter.h⟩) equals 0, PAGE\_SIZE is used; otherwise, the value stored in *cnt.v\_page\_size* is used. If *cnt.v\_page\_size* is not a power of two, the system will panic.

**vm\_set\_page\_size**() must be called prior to any page size dependent functions.

## AUTHORS

This manual page was written by Chad David ⟨davidc@acns.ab.ca⟩.