__ALLOC_SKB(9) Linux Networking __ALLOC_SKB(9)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.
COPYRIGHTKernel Hackers Manual 2.6. November 2013 __ALLOC_SKB(9)