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__alloc_skb
Langue: en
Version: May 2009 (fedora - 06/07/09)
Section: 9 (Appels noyau Linux)
NAME
__alloc_skb - allocate a network bufferSYNOPSIS
- 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.
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