netdev - [PATCH 1/6] tcp_memcontrol: Remove tcp_max

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Message-ID: <87li1ohmjx.fsf@xmission.com>
Date:	Sat, 19 Oct 2013 16:24:02 -0700
From:	ebiederm@...ssion.com (Eric W. Biederman)
To:	David Miller <davem@...emloft.net>
Cc:	<netdev@...r.kernel.org>, <cgroups@...r.kernel.org>,
	Linux Containers <containers@...ts.linux-foundation.org>
Subject: [PATCH 1/6] tcp_memcontrol: Remove tcp_max_memory


This function is never called. Remove it.

Signed-off-by: "Eric W. Biederman" <ebiederm@...ssion.com>
---
 include/net/tcp_memcontrol.h |    1 -
 net/ipv4/tcp_memcontrol.c    |   13 -------------
 2 files changed, 0 insertions(+), 14 deletions(-)

diff --git a/include/net/tcp_memcontrol.h b/include/net/tcp_memcontrol.h
index 7df18bc43a97..88cdd1cb992e 100644
--- a/include/net/tcp_memcontrol.h
+++ b/include/net/tcp_memcontrol.h
@@ -14,6 +14,5 @@ struct tcp_memcontrol {
 struct cg_proto *tcp_proto_cgroup(struct mem_cgroup *memcg);
 int tcp_init_cgroup(struct mem_cgroup *memcg, struct cgroup_subsys *ss);
 void tcp_destroy_cgroup(struct mem_cgroup *memcg);
-unsigned long long tcp_max_memory(const struct mem_cgroup *memcg);
 void tcp_prot_mem(struct mem_cgroup *memcg, long val, int idx);
 #endif /* _TCP_MEMCG_H */
diff --git a/net/ipv4/tcp_memcontrol.c b/net/ipv4/tcp_memcontrol.c
index 559d4ae6ebf4..82985d1dc9af 100644
--- a/net/ipv4/tcp_memcontrol.c
+++ b/net/ipv4/tcp_memcontrol.c
@@ -226,19 +226,6 @@ static int tcp_cgroup_reset(struct cgroup_subsys_state *css, unsigned int event)
 	return 0;
 }
 
-unsigned long long tcp_max_memory(const struct mem_cgroup *memcg)
-{
-	struct tcp_memcontrol *tcp;
-	struct cg_proto *cg_proto;
-
-	cg_proto = tcp_prot.proto_cgroup((struct mem_cgroup *)memcg);
-	if (!cg_proto)
-		return 0;
-
-	tcp = tcp_from_cgproto(cg_proto);
-	return res_counter_read_u64(&tcp->tcp_memory_allocated, RES_LIMIT);
-}
-
 void tcp_prot_mem(struct mem_cgroup *memcg, long val, int idx)
 {
 	struct tcp_memcontrol *tcp;
-- 
1.7.5.4

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