18 	struct cg_proto *cg_proto, *parent_cg;  in tcp_init_cgroup()  local
20 	cg_proto = tcp_prot.proto_cgroup(memcg);  in tcp_init_cgroup()
21 	if (!cg_proto)  in tcp_init_cgroup()
24 	cg_proto->sysctl_mem[0] = sysctl_tcp_mem[0];  in tcp_init_cgroup()
25 	cg_proto->sysctl_mem[1] = sysctl_tcp_mem[1];  in tcp_init_cgroup()
26 	cg_proto->sysctl_mem[2] = sysctl_tcp_mem[2];  in tcp_init_cgroup()
27 	cg_proto->memory_pressure = 0;  in tcp_init_cgroup()
28 	cg_proto->memcg = memcg;  in tcp_init_cgroup()
34 	page_counter_init(&cg_proto->memory_allocated, counter_parent);  in tcp_init_cgroup()
35 	percpu_counter_init(&cg_proto->sockets_allocated, 0, GFP_KERNEL);  in tcp_init_cgroup()
43 	struct cg_proto *cg_proto;  in tcp_destroy_cgroup()  local
45 	cg_proto = tcp_prot.proto_cgroup(memcg);  in tcp_destroy_cgroup()
46 	if (!cg_proto)  in tcp_destroy_cgroup()
49 	percpu_counter_destroy(&cg_proto->sockets_allocated);  in tcp_destroy_cgroup()
51 	if (test_bit(MEMCG_SOCK_ACTIVATED, &cg_proto->flags))  in tcp_destroy_cgroup()
59 	struct cg_proto *cg_proto;  in tcp_update_limit()  local
63 	cg_proto = tcp_prot.proto_cgroup(memcg);  in tcp_update_limit()
64 	if (!cg_proto)  in tcp_update_limit()
67 	ret = page_counter_limit(&cg_proto->memory_allocated, nr_pages);  in tcp_update_limit()
72 		cg_proto->sysctl_mem[i] = min_t(long, nr_pages,  in tcp_update_limit()
76 		clear_bit(MEMCG_SOCK_ACTIVE, &cg_proto->flags);  in tcp_update_limit()
98 		if (!test_and_set_bit(MEMCG_SOCK_ACTIVATED, &cg_proto->flags))  in tcp_update_limit()
100 		set_bit(MEMCG_SOCK_ACTIVE, &cg_proto->flags);  in tcp_update_limit()
144 	struct cg_proto *cg_proto = tcp_prot.proto_cgroup(memcg);  in tcp_cgroup_read()  local
149 		if (!cg_proto)  in tcp_cgroup_read()
151 		val = cg_proto->memory_allocated.limit;  in tcp_cgroup_read()
155 		if (!cg_proto)  in tcp_cgroup_read()
158 			val = page_counter_read(&cg_proto->memory_allocated);  in tcp_cgroup_read()
162 		if (!cg_proto)  in tcp_cgroup_read()
164 		val = cg_proto->memory_allocated.failcnt;  in tcp_cgroup_read()
167 		if (!cg_proto)  in tcp_cgroup_read()
169 		val = cg_proto->memory_allocated.watermark;  in tcp_cgroup_read()
182 	struct cg_proto *cg_proto;  in tcp_cgroup_reset()  local
185 	cg_proto = tcp_prot.proto_cgroup(memcg);  in tcp_cgroup_reset()
186 	if (!cg_proto)  in tcp_cgroup_reset()
191 		page_counter_reset_watermark(&cg_proto->memory_allocated);  in tcp_cgroup_reset()
194 		cg_proto->memory_allocated.failcnt = 0;  in tcp_cgroup_reset()