From: Gao feng <gaofeng@cn.fujitsu.com>
Date: Fri, 22 Nov 2013 06:48:40 +0000 (+0800)
Subject: tcp_memcg: remove useless var old_lim
X-Git-Tag: submit/tizen/20160607.132125~5530^2~48
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=fb10f802b0fb76079612cb78505cbc9ad81e683b;p=sdk%2Femulator%2Femulator-kernel.git

tcp_memcg: remove useless var old_lim

nobody needs it. remove.

Signed-off-by: Gao feng <gaofeng@cn.fujitsu.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---

diff --git a/net/ipv4/tcp_memcontrol.c b/net/ipv4/tcp_memcontrol.c
index 03e9154..269a89e 100644
--- a/net/ipv4/tcp_memcontrol.c
+++ b/net/ipv4/tcp_memcontrol.c
@@ -60,7 +60,6 @@ EXPORT_SYMBOL(tcp_destroy_cgroup);
 static int tcp_update_limit(struct mem_cgroup *memcg, u64 val)
 {
 	struct cg_proto *cg_proto;
-	u64 old_lim;
 	int i;
 	int ret;
 
@@ -71,7 +70,6 @@ static int tcp_update_limit(struct mem_cgroup *memcg, u64 val)
 	if (val > RES_COUNTER_MAX)
 		val = RES_COUNTER_MAX;
 
-	old_lim = res_counter_read_u64(&cg_proto->memory_allocated, RES_LIMIT);
 	ret = res_counter_set_limit(&cg_proto->memory_allocated, val);
 	if (ret)
 		return ret;