table of contents
| __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.
COPYRIGHT¶
| April 2023 | Kernel Hackers Manual 2.6. |