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authorGao feng <gaofeng@cn.fujitsu.com>2013-11-22 14:48:40 +0800
committerDavid S. Miller <davem@davemloft.net>2013-11-23 14:46:21 -0800
commitfb10f802b0fb76079612cb78505cbc9ad81e683b (patch)
tree895537e276061a2c25093dc79e16b07aa36cef6f /net
parentb8ee93ba80b5a0b6c3c06b65c34dd1276f16c047 (diff)
downloadlinux-fb10f802b0fb76079612cb78505cbc9ad81e683b.tar.bz2
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>
Diffstat (limited to 'net')
-rw-r--r--net/ipv4/tcp_memcontrol.c2
1 files changed, 0 insertions, 2 deletions
diff --git a/net/ipv4/tcp_memcontrol.c b/net/ipv4/tcp_memcontrol.c
index 03e9154f7e68..269a89ecd2f4 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;