1. NAME▲

skb_cow_head - skb_cow but only making the head writable

2. SYNOPSIS ▲

int skb_cow_head(struct sk_buff *  skb , unsigned int  headroom );

3. ARGUMENTS ▲

skb
    buffer to cow

headroom
    needed headroom

4. DESCRIPTION ▲

This function is identical to skb_cow except that we replace the skb_cloned check by skb_header_cloned. It should be used when you only need to push on some header and do not need to modify the data.

5. COPYRIGHT ▲