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Diffstat (limited to 'net/ipv4/tcp_memcontrol.c')
-rw-r--r--net/ipv4/tcp_memcontrol.c6
1 files changed, 5 insertions, 1 deletions
diff --git a/net/ipv4/tcp_memcontrol.c b/net/ipv4/tcp_memcontrol.c
index 272327134a1b..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);
@@ -120,7 +124,7 @@ static ssize_t tcp_cgroup_write(struct kernfs_open_file *of,
switch (of_cft(of)->private) {
case RES_LIMIT:
/* see memcontrol.c */
- ret = page_counter_memparse(buf, &nr_pages);
+ ret = page_counter_memparse(buf, "-1", &nr_pages);
if (ret)
break;
mutex_lock(&tcp_limit_mutex);