__alloc_skb

Langue: en

Autres versions - même langue

Version: June 2009 (debian - 07/07/09)

Section: 9 (Appels noyau Linux)

NAME

__alloc_skb - allocate a network buffer

SYNOPSIS

struct sk_buff * __alloc_skb(unsigned int size, gfp_t gfp_mask, int fclone, int node);

ARGUMENTS

size

size to allocate

gfp_mask

allocation mask

fclone

allocate from fclone cache instead of head cache and allocate a cloned (child) skb

node

numa node to allocate memory on

DESCRIPTION

Allocate a new sk_buff. The returned buffer has no headroom and a tail room of size bytes. The object has a reference count of one. The return is the buffer. On a failure the return is NULL.

Buffers may only be allocated from interrupts using a gfp_mask of GFP_ATOMIC.