* [PATCH net] sock: only define socket limit if mem cgroup configured
@ 2013-02-22 17:59 Stephen Hemminger
2013-02-22 20:14 ` David Miller
0 siblings, 1 reply; 2+ messages in thread
From: Stephen Hemminger @ 2013-02-22 17:59 UTC (permalink / raw)
To: David Miller; +Cc: netdev
The mem cgroup socket limit is only used if the config option is
enabled. Found with sparse
Signed-off-by: Stephen Hemminger <stephen@networkplumber.org>
--- a/net/core/sock.c 2013-02-21 13:52:10.000000000 -0800
+++ b/net/core/sock.c 2013-02-21 21:03:06.075605811 -0800
@@ -186,8 +186,10 @@ void mem_cgroup_sockets_destroy(struct m
static struct lock_class_key af_family_keys[AF_MAX];
static struct lock_class_key af_family_slock_keys[AF_MAX];
+#if defined(CONFIG_MEMCG_KMEM)
struct static_key memcg_socket_limit_enabled;
EXPORT_SYMBOL(memcg_socket_limit_enabled);
+#endif
/*
* Make lock validator output more readable. (we pre-construct these
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2013-02-22 17:59 [PATCH net] sock: only define socket limit if mem cgroup configured Stephen Hemminger
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