summaryrefslogtreecommitdiff
path: root/net
diff options
context:
space:
mode:
Diffstat (limited to 'net')
-rw-r--r--net/core/hotdata.c5
-rw-r--r--net/core/net_namespace.c8
-rw-r--r--net/ipv4/tcp.c2
-rw-r--r--net/ipv4/tcp_ipv4.c3
-rw-r--r--net/ipv4/udp.c4
-rw-r--r--net/ipv4/udp_impl.h1
-rw-r--r--net/ipv4/udplite.c2
-rw-r--r--net/ipv6/tcp_ipv6.c3
-rw-r--r--net/ipv6/udp.c2
-rw-r--r--net/ipv6/udp_impl.h1
-rw-r--r--net/ipv6/udplite.c2
-rw-r--r--net/mptcp/protocol.c3
12 files changed, 19 insertions, 17 deletions
diff --git a/net/core/hotdata.c b/net/core/hotdata.c
index 0bc893d5f07b..95d0a4df1006 100644
--- a/net/core/hotdata.c
+++ b/net/core/hotdata.c
@@ -2,7 +2,9 @@
#include <linux/cache.h>
#include <linux/jiffies.h>
#include <linux/list.h>
+#include <net/aligned_data.h>
#include <net/hotdata.h>
+#include <net/ip.h>
#include <net/proto_memory.h>
struct net_hotdata net_hotdata __cacheline_aligned = {
@@ -22,3 +24,6 @@ struct net_hotdata net_hotdata __cacheline_aligned = {
.sysctl_mem_pcpu_rsv = SK_MEMORY_PCPU_RESERVE
};
EXPORT_SYMBOL(net_hotdata);
+
+struct net_aligned_data net_aligned_data;
+EXPORT_IPV6_MOD(net_aligned_data);
diff --git a/net/core/net_namespace.c b/net/core/net_namespace.c
index 419604d9cf32..f58ef920a3a1 100644
--- a/net/core/net_namespace.c
+++ b/net/core/net_namespace.c
@@ -19,9 +19,9 @@
#include <linux/net_namespace.h>
#include <linux/sched/task.h>
#include <linux/uidgid.h>
-#include <linux/cookie.h>
#include <linux/proc_fs.h>
+#include <net/aligned_data.h>
#include <net/sock.h>
#include <net/netlink.h>
#include <net/net_namespace.h>
@@ -64,8 +64,6 @@ DECLARE_RWSEM(pernet_ops_rwsem);
static unsigned int max_gen_ptrs = INITIAL_NET_GEN_PTRS;
-DEFINE_COOKIE(net_cookie);
-
static struct net_generic *net_alloc_generic(void)
{
unsigned int gen_ptrs = READ_ONCE(max_gen_ptrs);
@@ -434,9 +432,7 @@ static __net_init int setup_net(struct net *net)
LIST_HEAD(net_exit_list);
int error = 0;
- preempt_disable();
- net->net_cookie = gen_cookie_next(&net_cookie);
- preempt_enable();
+ net->net_cookie = atomic64_inc_return(&net_aligned_data.net_cookie);
list_for_each_entry(ops, &pernet_list, list) {
error = ops_init(ops, net);
diff --git a/net/ipv4/tcp.c b/net/ipv4/tcp.c
index 8a3c99246d2e..925b2c572ca2 100644
--- a/net/ipv4/tcp.c
+++ b/net/ipv4/tcp.c
@@ -302,8 +302,6 @@ EXPORT_PER_CPU_SYMBOL_GPL(tcp_tw_isn);
long sysctl_tcp_mem[3] __read_mostly;
EXPORT_IPV6_MOD(sysctl_tcp_mem);
-atomic_long_t tcp_memory_allocated ____cacheline_aligned_in_smp; /* Current allocated memory. */
-EXPORT_IPV6_MOD(tcp_memory_allocated);
DEFINE_PER_CPU(int, tcp_memory_per_cpu_fw_alloc);
EXPORT_PER_CPU_SYMBOL_GPL(tcp_memory_per_cpu_fw_alloc);
diff --git a/net/ipv4/tcp_ipv4.c b/net/ipv4/tcp_ipv4.c
index 56223338bc0f..b406fd012b2e 100644
--- a/net/ipv4/tcp_ipv4.c
+++ b/net/ipv4/tcp_ipv4.c
@@ -59,6 +59,7 @@
#include <linux/slab.h>
#include <linux/sched.h>
+#include <net/aligned_data.h>
#include <net/net_namespace.h>
#include <net/icmp.h>
#include <net/inet_hashtables.h>
@@ -3390,7 +3391,7 @@ struct proto tcp_prot = {
.sockets_allocated = &tcp_sockets_allocated,
.orphan_count = &tcp_orphan_count,
- .memory_allocated = &tcp_memory_allocated,
+ .memory_allocated = &net_aligned_data.tcp_memory_allocated,
.per_cpu_fw_alloc = &tcp_memory_per_cpu_fw_alloc,
.memory_pressure = &tcp_memory_pressure,
diff --git a/net/ipv4/udp.c b/net/ipv4/udp.c
index 19573ee64a0f..49f43c54cfb0 100644
--- a/net/ipv4/udp.c
+++ b/net/ipv4/udp.c
@@ -127,8 +127,6 @@ struct udp_table udp_table __read_mostly;
long sysctl_udp_mem[3] __read_mostly;
EXPORT_IPV6_MOD(sysctl_udp_mem);
-atomic_long_t udp_memory_allocated ____cacheline_aligned_in_smp;
-EXPORT_IPV6_MOD(udp_memory_allocated);
DEFINE_PER_CPU(int, udp_memory_per_cpu_fw_alloc);
EXPORT_PER_CPU_SYMBOL_GPL(udp_memory_per_cpu_fw_alloc);
@@ -3235,7 +3233,7 @@ struct proto udp_prot = {
#ifdef CONFIG_BPF_SYSCALL
.psock_update_sk_prot = udp_bpf_update_proto,
#endif
- .memory_allocated = &udp_memory_allocated,
+ .memory_allocated = &net_aligned_data.udp_memory_allocated,
.per_cpu_fw_alloc = &udp_memory_per_cpu_fw_alloc,
.sysctl_mem = sysctl_udp_mem,
diff --git a/net/ipv4/udp_impl.h b/net/ipv4/udp_impl.h
index e1ff3a375996..c7142213fc21 100644
--- a/net/ipv4/udp_impl.h
+++ b/net/ipv4/udp_impl.h
@@ -1,6 +1,7 @@
/* SPDX-License-Identifier: GPL-2.0 */
#ifndef _UDP4_IMPL_H
#define _UDP4_IMPL_H
+#include <net/aligned_data.h>
#include <net/udp.h>
#include <net/udplite.h>
#include <net/protocol.h>
diff --git a/net/ipv4/udplite.c b/net/ipv4/udplite.c
index af37af3ab727..d3e621a11a1a 100644
--- a/net/ipv4/udplite.c
+++ b/net/ipv4/udplite.c
@@ -60,7 +60,7 @@ struct proto udplite_prot = {
.rehash = udp_v4_rehash,
.get_port = udp_v4_get_port,
- .memory_allocated = &udp_memory_allocated,
+ .memory_allocated = &net_aligned_data.udp_memory_allocated,
.per_cpu_fw_alloc = &udp_memory_per_cpu_fw_alloc,
.sysctl_mem = sysctl_udp_mem,
diff --git a/net/ipv6/tcp_ipv6.c b/net/ipv6/tcp_ipv6.c
index 9fb614e17bde..ed0b891885d8 100644
--- a/net/ipv6/tcp_ipv6.c
+++ b/net/ipv6/tcp_ipv6.c
@@ -41,6 +41,7 @@
#include <linux/random.h>
#include <linux/indirect_call_wrapper.h>
+#include <net/aligned_data.h>
#include <net/tcp.h>
#include <net/ndisc.h>
#include <net/inet6_hashtables.h>
@@ -2356,7 +2357,7 @@ struct proto tcpv6_prot = {
.stream_memory_free = tcp_stream_memory_free,
.sockets_allocated = &tcp_sockets_allocated,
- .memory_allocated = &tcp_memory_allocated,
+ .memory_allocated = &net_aligned_data.tcp_memory_allocated,
.per_cpu_fw_alloc = &tcp_memory_per_cpu_fw_alloc,
.memory_pressure = &tcp_memory_pressure,
diff --git a/net/ipv6/udp.c b/net/ipv6/udp.c
index ebb95d8bc681..6bbdadbd5fec 100644
--- a/net/ipv6/udp.c
+++ b/net/ipv6/udp.c
@@ -1925,7 +1925,7 @@ struct proto udpv6_prot = {
.psock_update_sk_prot = udp_bpf_update_proto,
#endif
- .memory_allocated = &udp_memory_allocated,
+ .memory_allocated = &net_aligned_data.udp_memory_allocated,
.per_cpu_fw_alloc = &udp_memory_per_cpu_fw_alloc,
.sysctl_mem = sysctl_udp_mem,
diff --git a/net/ipv6/udp_impl.h b/net/ipv6/udp_impl.h
index 0590f566379d..8a406be25a3a 100644
--- a/net/ipv6/udp_impl.h
+++ b/net/ipv6/udp_impl.h
@@ -1,6 +1,7 @@
/* SPDX-License-Identifier: GPL-2.0 */
#ifndef _UDP6_IMPL_H
#define _UDP6_IMPL_H
+#include <net/aligned_data.h>
#include <net/udp.h>
#include <net/udplite.h>
#include <net/protocol.h>
diff --git a/net/ipv6/udplite.c b/net/ipv6/udplite.c
index a60bec9b14f1..2cec542437f7 100644
--- a/net/ipv6/udplite.c
+++ b/net/ipv6/udplite.c
@@ -59,7 +59,7 @@ struct proto udplitev6_prot = {
.rehash = udp_v6_rehash,
.get_port = udp_v6_get_port,
- .memory_allocated = &udp_memory_allocated,
+ .memory_allocated = &net_aligned_data.udp_memory_allocated,
.per_cpu_fw_alloc = &udp_memory_per_cpu_fw_alloc,
.sysctl_mem = sysctl_udp_mem,
diff --git a/net/mptcp/protocol.c b/net/mptcp/protocol.c
index e7972e633236..5f904fc5ac4c 100644
--- a/net/mptcp/protocol.c
+++ b/net/mptcp/protocol.c
@@ -11,6 +11,7 @@
#include <linux/netdevice.h>
#include <linux/sched/signal.h>
#include <linux/atomic.h>
+#include <net/aligned_data.h>
#include <net/sock.h>
#include <net/inet_common.h>
#include <net/inet_hashtables.h>
@@ -3729,7 +3730,7 @@ static struct proto mptcp_prot = {
.stream_memory_free = mptcp_stream_memory_free,
.sockets_allocated = &mptcp_sockets_allocated,
- .memory_allocated = &tcp_memory_allocated,
+ .memory_allocated = &net_aligned_data.tcp_memory_allocated,
.per_cpu_fw_alloc = &tcp_memory_per_cpu_fw_alloc,
.memory_pressure = &tcp_memory_pressure,