diff options
Diffstat (limited to 'include/linux/netlink.h')
| -rw-r--r-- | include/linux/netlink.h | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/include/linux/netlink.h b/include/linux/netlink.h index 86fde81ac2e6..7a6c396a263b 100644 --- a/include/linux/netlink.h +++ b/include/linux/netlink.h @@ -85,6 +85,22 @@ int netlink_attachskb(struct sock *sk, struct sk_buff *skb, void netlink_detachskb(struct sock *sk, struct sk_buff *skb); int netlink_sendskb(struct sock *sk, struct sk_buff *skb); +static inline struct sk_buff * +netlink_skb_clone(struct sk_buff *skb, gfp_t gfp_mask) +{ + struct sk_buff *nskb; + + nskb = skb_clone(skb, gfp_mask); + if (!nskb) + return NULL; + + /* This is a large skb, set destructor callback to release head */ + if (is_vmalloc_addr(skb->head)) + nskb->destructor = skb->destructor; + + return nskb; +} + /* * skb should fit one page. This choice is good for headerless malloc. * But we should limit to 8K so that userspace does not have to |