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.TH "__DEV_ALLOC_SKB" 9 "August 2005" "Kernel Hackers Manual" "LINUX"
.SH NAME
__dev_alloc_skb \- allocate an skbuff for sending
.SH "SYNOPSIS"
.ad l
.hy 0
.HP 38
struct\ sk_buff\ *\ \fB__dev_alloc_skb\ \fR\ (unsigned\ int\ \fIlength\fR, int\ \fIgfp_mask\fR);
.ad
.hy

.SH "ARGUMENTS"

.TP
\fIlength\fR
length to allocate

.TP
\fIgfp_mask\fR
get_free_pages mask, passed to alloc_skb

.SH "DESCRIPTION"

.PP
Allocate a new &sk_buff and assign it a usage count of one\&. The buffer has unspecified headroom built in\&. Users should allocate the headroom they think they need without accounting for the built in space\&. The built in space is used for optimisations\&.

.PP
 \fBNULL\fR is returned in there is no free memory\&.