Re: [PATCH 06/14] net: tcp_memcontrol: remove dead per-memcg count of allocated sockets

David Miller
2015-11-13T16:01:41Z

From: Johannes Weiner <hannes@cmpxchg.org>
Date: Thu, 12 Nov 2015 18:41:25 -0500

> The number of allocated sockets is used for calculations in the soft
> limit phase, where packets are accepted but the socket is under memory
> pressure. Since there is no soft limit phase in tcp_memcontrol, and
> memory pressure is only entered when packets are already dropped, this
> is actually dead code. Remove it.
>
> As this is the last user of parent_cg_proto(), remove that too.
>
> Signed-off-by: Johannes Weiner <hannes@cmpxchg.org>

Acked-by: David S. Miller <davem@davemloft.net>