1 files changed, 19 insertions, 0 deletions

diff --git a/include/net/tcp_memcontrol.h b/include/net/tcp_memcontrol.h
new file mode 100644
index 000000000000..3512082fa909
--- /dev/null
+++ b/include/net/tcp_memcontrol.h
@@ -0,0 +1,19 @@
+#ifndef _TCP_MEMCG_H
+#define _TCP_MEMCG_H
+
+struct tcp_memcontrol {
+        struct cg_proto cg_proto;
+        /* per-cgroup tcp memory pressure knobs */
+        struct res_counter tcp_memory_allocated;
+        struct percpu_counter tcp_sockets_allocated;
+        /* those two are read-mostly, leave them at the end */
+        long tcp_prot_mem[3];
+        int tcp_memory_pressure;
+};
+
+struct cg_proto *tcp_proto_cgroup(struct mem_cgroup *memcg);
+int tcp_init_cgroup(struct cgroup *cgrp, struct cgroup_subsys *ss);
+void tcp_destroy_cgroup(struct cgroup *cgrp, struct cgroup_subsys *ss);
+unsigned long long tcp_max_memory(const struct mem_cgroup *memcg);
+void tcp_prot_mem(struct mem_cgroup *memcg, long val, int idx);
+#endif /* _TCP_MEMCG_H */