sock_zerocopy_callback 500 include/linux/skbuff.h void sock_zerocopy_callback(struct ubuf_info *uarg, bool success); sock_zerocopy_callback 1456 include/linux/skbuff.h } else if (uarg->callback == sock_zerocopy_callback) { sock_zerocopy_callback 2731 include/linux/skbuff.h skb_uarg(skb)->callback == sock_zerocopy_callback) sock_zerocopy_callback 1115 net/core/skbuff.c uarg->callback = sock_zerocopy_callback; sock_zerocopy_callback 1243 net/core/skbuff.c EXPORT_SYMBOL_GPL(sock_zerocopy_callback);