include/net/sock.h
  commit 
8f905c0e7354 ("inet: fully convert sk->sk_rx_dst to RCU rules")
  commit 
43f51df41729 ("net: move early demux fields close to sk_refcnt")
  https://lore.kernel.org/all/
20211222141641.
0caa0ab3@canb.auug.org.au/
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
30 files changed:
  #define sk_flags              __sk_common.skc_flags
  #define sk_rxhash             __sk_common.skc_rxhash
  
-       struct dst_entry        *sk_rx_dst;
 +      /* early demux fields */
++      struct dst_entry __rcu  *sk_rx_dst;
 +      int                     sk_rx_dst_ifindex;
 +      u32                     sk_rx_dst_cookie;
 +
        socket_lock_t           sk_lock;
        atomic_t                sk_drops;
        int                     sk_rcvlowat;