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

From: David Miller
Date: Fri Nov 13 2015 - 11:01:44 EST

From: Johannes Weiner <hannes@xxxxxxxxxxx>
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@xxxxxxxxxxx>

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