---
name: "skb_reserve"
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/skb_reserve"
---

# skb\_reserve(9)

adjust headroom

## NAME

skb\_reserve - adjust headroom

## SYNOPSIS

**void skb\_reserve(struct sk\_buff \*** *skb***, int** *len***);**

## ARGUMENTS

*skb*

buffer to alter

*len*

bytes to move

## DESCRIPTION

Increase the headroom of an empty sk\_buff by reducing the tail room. This is only allowed for an empty buffer.

## COPYRIGHT