---
name: "kfree"
section: "9"
platform: "linux"
package: "linux-manual-4.9"
version: "4.9.228-1"
release: "Debian 9 (Stretch)"
platforms: ["linux"]
url: "https://new.carta.tech/kfree"
---

# kfree(9)

free previously allocated memory

## NAME

kfree - free previously allocated memory

## SYNOPSIS

**void kfree(const void \*** *objp***);**

## ARGUMENTS

*objp*

pointer returned by kmalloc.

## DESCRIPTION

If *objp* is NULL, no operation is performed.

Don't free memory not originally allocated by **kmalloc** or you will run into trouble.

## COPYRIGHT