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tcp_memcg: remove useless var old_lim
author
Gao feng
<gaofeng@cn.fujitsu.com>
Fri, 22 Nov 2013 06:48:40 +0000
(14:48 +0800)
committer
David S. Miller
<davem@davemloft.net>
Sat, 23 Nov 2013 22:46:21 +0000
(14:46 -0800)
nobody needs it. remove.
Signed-off-by: Gao feng <gaofeng@cn.fujitsu.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
net/ipv4/tcp_memcontrol.c
patch
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diff --git
a/net/ipv4/tcp_memcontrol.c
b/net/ipv4/tcp_memcontrol.c
index
03e9154
..
269a89e
100644
(file)
--- 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;