On Tue, Feb 14, 2023 at 5:15 AM Jason Xing <kerneljasonxing@xxxxxxxxx> wrote: > > From: Jason Xing <kernelxing@xxxxxxxxxxx> > > Commit e48c414ee61f ("[INET]: Generalise the TCP sock ID lookup routines") > commented out the definition of SOCK_REFCNT_DEBUG in 2005 and later another > commit 463c84b97f24 ("[NET]: Introduce inet_connection_sock") removed it. > Since we could track all of them through bpf and kprobe related tools > and the feature could print loads of information which might not be > that helpful even under a little bit pressure, the whole feature which > has been inactive for many years is no longer supported. > > Link: https://lore.kernel.org/lkml/20230211065153.54116-1-kerneljasonxing@xxxxxxxxx/ > Suggested-by: Kuniyuki Iwashima <kuniyu@xxxxxxxxxx> > Signed-off-by: Jason Xing <kernelxing@xxxxxxxxxxx> > Reviewed-by: Eric Dumazet <edumazet@xxxxxxxxxx>