From: Willem de Bruijn
Date: Wed, 21 Jun 2017 17:18:09 -0400
> +static bool skb_zerocopy_notify_extend(struct sk_buff *skb, u32 lo, u16 len)
> +{
> + struct sock_exterr_skb *serr = SKB_EXT_ERR(skb);
> + u64 sum_len;
> + u32 old_lo, old_hi;
Reverse christmas tree.
> void sock_zeroco
From: Willem de Bruijn
In the simple case, each sendmsg() call generates data and eventually
a zerocopy ready notification N, where N indicates the Nth successful
invocation of sendmsg() with the MSG_ZEROCOPY flag on this socket.
TCP and corked sockets can cause send() calls to append new data t
