---
name: "vm_map_init"
section: "9freebsd"
platform: "linux"
package: "freebsd-manpages"
version: "12.2-2"
release: "Debian 13 (Trixie)"
platforms: ["linux"]
url: "https://new.carta.tech/vm_map_init/9freebsd"
---

# vm\_map\_init(9freebsd)

initialize a vm\_map structure for process zero

## NAME

**vm\_map\_init** – initialize a vm\_map structure for process zero

## SYNOPSIS

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

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

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

*void*\

**vm\_map\_init**(*vm\_map\_t map*, *vm\_offset\_t min*, *vm\_offset\_t max*);

## DESCRIPTION

The **vm\_map\_init**() function initializes the system map *map* by setting its upper and lower address bounds to *max* and *min* respectively.

It also initializes the system map mutex.

## IMPLEMENTATION NOTES

This routine is for internal use only. It is called during early system initialization.

## SEE ALSO

[vm\_map(9)](/vm_map/9.md)

## AUTHORS

This manual page was written by Bruce M Simpson ⟨*bms@spc.org*⟩.