From: Al Viro <v...@zeniv.linux.org.uk> Date: Fri, 5 Jul 2019 20:14:16 +0100
> socket->wq is assign-once, set when we are initializing both > struct socket it's in and struct socket_wq it points to. As the > matter of fact, the only reason for separate allocation was the > ability to RCU-delay freeing of socket_wq. RCU-delaying the > freeing of socket itself gets rid of that need, so we can just > fold struct socket_wq into the end of struct socket and simplify > the life both for sock_alloc_inode() (one allocation instead of > two) and for tun/tap oddballs, where we used to embed struct socket > and struct socket_wq into the same structure (now - embedding just > the struct socket). > > Note that reference to struct socket_wq in struct sock does remain > a reference - that's unchanged. > > Signed-off-by: Al Viro <v...@zeniv.linux.org.uk> Applied.
