pskb_extract 3539 include/linux/skbuff.h struct sk_buff *pskb_extract(struct sk_buff *skb, int off, int to_copy, pskb_extract 5939 net/core/skbuff.c EXPORT_SYMBOL(pskb_extract); pskb_extract 218 net/rds/tcp_recv.c clone = pskb_extract(skb, offset, to_copy, arg->gfp);