diff options
| -rw-r--r-- | include/net/sock.h | 5 | ||||
| -rw-r--r-- | mm/memcontrol.c | 38 | ||||
| -rw-r--r-- | net/ipv4/tcp_memcontrol.c | 4 |
3 files changed, 9 insertions, 38 deletions
diff --git a/include/net/sock.h b/include/net/sock.h index e13824570b0f..ab186b1d31ff 100644 --- a/include/net/sock.h +++ b/include/net/sock.h @@ -1077,11 +1077,6 @@ static inline bool memcg_proto_active(struct cg_proto *cg_proto) return test_bit(MEMCG_SOCK_ACTIVE, &cg_proto->flags); } -static inline bool memcg_proto_activated(struct cg_proto *cg_proto) -{ - return test_bit(MEMCG_SOCK_ACTIVATED, &cg_proto->flags); -} - #ifdef SOCK_REFCNT_DEBUG static inline void sk_refcnt_debug_inc(struct sock *sk) { diff --git a/mm/memcontrol.c b/mm/memcontrol.c index 419c06b1794a..d18d3a6e7337 100644 --- a/mm/memcontrol.c +++ b/mm/memcontrol.c @@ -519,16 +519,6 @@ struct cg_proto *tcp_proto_cgroup(struct mem_cgroup *memcg) } EXPORT_SYMBOL(tcp_proto_cgroup); -static void disarm_sock_keys(struct mem_cgroup *memcg) -{ - if (!memcg_proto_activated(&memcg->tcp_mem)) - return; - static_key_slow_dec(&memcg_socket_limit_enabled); -} -#else -static void disarm_sock_keys(struct mem_cgroup *memcg) -{ -} #endif #ifdef CONFIG_MEMCG_KMEM @@ -583,28 +573,8 @@ void memcg_put_cache_ids(void) struct static_key memcg_kmem_enabled_key; EXPORT_SYMBOL(memcg_kmem_enabled_key); -static void disarm_kmem_keys(struct mem_cgroup *memcg) -{ - if (memcg->kmem_acct_activated) - static_key_slow_dec(&memcg_kmem_enabled_key); - /* - * This check can't live in kmem destruction function, - * since the charges will outlive the cgroup - */ - WARN_ON(page_counter_read(&memcg->kmem)); -} -#else -static void disarm_kmem_keys(struct mem_cgroup *memcg) -{ -} #endif /* CONFIG_MEMCG_KMEM */ -static void disarm_static_keys(struct mem_cgroup *memcg) -{ - disarm_sock_keys(memcg); - disarm_kmem_keys(memcg); -} - static struct mem_cgroup_per_zone * mem_cgroup_zone_zoneinfo(struct mem_cgroup *memcg, struct zone *zone) { @@ -4092,7 +4062,11 @@ static void memcg_deactivate_kmem(struct mem_cgroup *memcg) static void memcg_destroy_kmem(struct mem_cgroup *memcg) { - memcg_destroy_kmem_caches(memcg); + if (memcg->kmem_acct_activated) { + memcg_destroy_kmem_caches(memcg); + static_key_slow_dec(&memcg_kmem_enabled_key); + WARN_ON(page_counter_read(&memcg->kmem)); + } mem_cgroup_sockets_destroy(memcg); } #else @@ -4523,8 +4497,6 @@ static void __mem_cgroup_free(struct mem_cgroup *memcg) free_mem_cgroup_per_zone_info(memcg, node); free_percpu(memcg->stat); - - disarm_static_keys(memcg); kfree(memcg); } diff --git a/net/ipv4/tcp_memcontrol.c b/net/ipv4/tcp_memcontrol.c index c2a75c6957a1..2379c1b4efb2 100644 --- a/net/ipv4/tcp_memcontrol.c +++ b/net/ipv4/tcp_memcontrol.c @@ -47,6 +47,10 @@ void tcp_destroy_cgroup(struct mem_cgroup *memcg) return; percpu_counter_destroy(&cg_proto->sockets_allocated); + + if (test_bit(MEMCG_SOCK_ACTIVATED, &cg_proto->flags)) + static_key_slow_dec(&memcg_socket_limit_enabled); + } EXPORT_SYMBOL(tcp_destroy_cgroup); |