Name
skb_head_is_locked —
Determine if the skb->head is locked down
Synopsis
bool skb_head_is_locked ( | const struct sk_buff * skb) ; |
Description
The head on skbs build around a head frag can be removed if they are
not cloned. This function returns true if the skb head is locked down
due to either being allocated via kmalloc, or by being a clone with
multiple references to the head.