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-rw-r--r--include/linux/memcontrol.h3
-rw-r--r--include/net/sock.h7
-rw-r--r--mm/memcontrol.c3
-rw-r--r--net/core/sock.c5
-rw-r--r--net/ipv4/tcp_memcontrol.c4
5 files changed, 8 insertions, 14 deletions
diff --git a/include/linux/memcontrol.h b/include/linux/memcontrol.h
index 7c085e4636ba..03090e8e7fff 100644
--- a/include/linux/memcontrol.h
+++ b/include/linux/memcontrol.h
@@ -681,11 +681,14 @@ void sock_release_memcg(struct sock *sk);
bool mem_cgroup_charge_skmem(struct mem_cgroup *memcg, unsigned int nr_pages);
void mem_cgroup_uncharge_skmem(struct mem_cgroup *memcg, unsigned int nr_pages);
#if defined(CONFIG_MEMCG_KMEM) && defined(CONFIG_INET)
+extern struct static_key memcg_sockets_enabled_key;
+#define mem_cgroup_sockets_enabled static_key_false(&memcg_sockets_enabled_key)
static inline bool mem_cgroup_under_socket_pressure(struct mem_cgroup *memcg)
{
return memcg->tcp_mem.memory_pressure;
}
#else
+#define mem_cgroup_sockets_enabled 0
static inline bool mem_cgroup_under_socket_pressure(struct mem_cgroup *memcg)
{
return false;
diff --git a/include/net/sock.h b/include/net/sock.h
index be96a8dcbc74..b9e7b3d863a0 100644
--- a/include/net/sock.h
+++ b/include/net/sock.h
@@ -1079,13 +1079,6 @@ static inline void sk_refcnt_debug_release(const struct sock *sk)
#define sk_refcnt_debug_release(sk) do { } while (0)
#endif /* SOCK_REFCNT_DEBUG */
-#if defined(CONFIG_MEMCG_KMEM) && defined(CONFIG_NET)
-extern struct static_key memcg_socket_limit_enabled;
-#define mem_cgroup_sockets_enabled static_key_false(&memcg_socket_limit_enabled)
-#else
-#define mem_cgroup_sockets_enabled 0
-#endif
-
static inline bool sk_stream_memory_free(const struct sock *sk)
{
if (sk->sk_wmem_queued >= sk->sk_sndbuf)
diff --git a/mm/memcontrol.c b/mm/memcontrol.c
index eaaa86126277..08ef3d2ca663 100644
--- a/mm/memcontrol.c
+++ b/mm/memcontrol.c
@@ -291,6 +291,9 @@ static inline struct mem_cgroup *mem_cgroup_from_id(unsigned short id)
/* Writing them here to avoid exposing memcg's inner layout */
#if defined(CONFIG_INET) && defined(CONFIG_MEMCG_KMEM)
+struct static_key memcg_sockets_enabled_key;
+EXPORT_SYMBOL(memcg_sockets_enabled_key);
+
void sock_update_memcg(struct sock *sk)
{
struct mem_cgroup *memcg;
diff --git a/net/core/sock.c b/net/core/sock.c
index 3535bffa45f3..6c1c8bc93412 100644
--- a/net/core/sock.c
+++ b/net/core/sock.c
@@ -202,11 +202,6 @@ EXPORT_SYMBOL(sk_net_capable);
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
* strings build-time, so that runtime initialization of socket
diff --git a/net/ipv4/tcp_memcontrol.c b/net/ipv4/tcp_memcontrol.c
index e5078259cbe3..9a22e2dfd64a 100644
--- a/net/ipv4/tcp_memcontrol.c
+++ b/net/ipv4/tcp_memcontrol.c
@@ -34,7 +34,7 @@ void tcp_destroy_cgroup(struct mem_cgroup *memcg)
return;
if (memcg->tcp_mem.active)
- static_key_slow_dec(&memcg_socket_limit_enabled);
+ static_key_slow_dec(&memcg_sockets_enabled_key);
}
static int tcp_update_limit(struct mem_cgroup *memcg, unsigned long nr_pages)
@@ -65,7 +65,7 @@ static int tcp_update_limit(struct mem_cgroup *memcg, unsigned long nr_pages)
* because when this value change, the code to process it is not
* patched in yet.
*/
- static_key_slow_inc(&memcg_socket_limit_enabled);
+ static_key_slow_inc(&memcg_sockets_enabled_key);
memcg->tcp_mem.active = true;
}