[$] A reworked TCP zero-copy receive API

Post Syndicated from corbet original https://lwn.net/Articles/754681/rss

In April, LWN looked at the new API for
zero-copy reception of TCP data that had been merged into the net-next tree
for the 4.18 development cycle. After that article was written, a couple
of issues came to the fore that required some changes to the API for this
feature. Those changes have been made and merged; read on for the details.