'\" t
.\"     Title: skb_reserve
.\"    Author: [FIXME: author] [see http://docbook.sf.net/el/author]
.\" Generator: DocBook XSL Stylesheets v1.79.1 <http://docbook.sf.net/>
.\"      Date: July 2017
.\"    Manual: Linux Networking
.\"    Source: Kernel Hackers Manual 4.12.2
.\"  Language: English
.\"
.TH "SKB_RESERVE" "9" "July 2017" "Kernel Hackers Manual 4\&.12\&" "Linux Networking"
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.SH "NAME"
skb_reserve \- adjust headroom
.SH "SYNOPSIS"
.HP \w'void\ skb_reserve('u
.BI "void skb_reserve(struct\ sk_buff\ *\ " "skb" ", int\ " "len" ");"
.SH "ARGUMENTS"
.PP
\fIstruct sk_buff * skb\fR
.RS 4
buffer to alter
.RE
.PP
\fIint len\fR
.RS 4
bytes to move
.RE
.SH "DESCRIPTION"
.PP
Increase the headroom of an empty &sk_buff by reducing the tail room\&. This is only allowed for an empty buffer\&.
.SH "COPYRIGHT"
.br