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authorLinus Torvalds <torvalds@linux-foundation.org>2011-05-19 18:14:34 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2011-05-19 18:14:34 -0700
commiteb04f2f04ed1227c266b3219c0aaeda525639718 (patch)
tree7f224483a3cd0e439cd64a8666ec9dc5ed178a3d /net
parent5765040ebfc9a28d9dcfaaaaf3d25840d922de96 (diff)
parent80d02085d99039b3b7f3a73c8896226b0cb1ba07 (diff)
downloadlinux-eb04f2f04ed1227c266b3219c0aaeda525639718.tar.bz2
Merge branch 'core-rcu-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip
* 'core-rcu-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip: (78 commits) Revert "rcu: Decrease memory-barrier usage based on semi-formal proof" net,rcu: convert call_rcu(prl_entry_destroy_rcu) to kfree batman,rcu: convert call_rcu(softif_neigh_free_rcu) to kfree_rcu batman,rcu: convert call_rcu(neigh_node_free_rcu) to kfree() batman,rcu: convert call_rcu(gw_node_free_rcu) to kfree_rcu net,rcu: convert call_rcu(kfree_tid_tx) to kfree_rcu() net,rcu: convert call_rcu(xt_osf_finger_free_rcu) to kfree_rcu() net/mac80211,rcu: convert call_rcu(work_free_rcu) to kfree_rcu() net,rcu: convert call_rcu(wq_free_rcu) to kfree_rcu() net,rcu: convert call_rcu(phonet_device_rcu_free) to kfree_rcu() perf,rcu: convert call_rcu(swevent_hlist_release_rcu) to kfree_rcu() perf,rcu: convert call_rcu(free_ctx) to kfree_rcu() net,rcu: convert call_rcu(__nf_ct_ext_free_rcu) to kfree_rcu() net,rcu: convert call_rcu(net_generic_release) to kfree_rcu() net,rcu: convert call_rcu(netlbl_unlhsh_free_addr6) to kfree_rcu() net,rcu: convert call_rcu(netlbl_unlhsh_free_addr4) to kfree_rcu() security,rcu: convert call_rcu(sel_netif_free) to kfree_rcu() net,rcu: convert call_rcu(xps_dev_maps_release) to kfree_rcu() net,rcu: convert call_rcu(xps_map_release) to kfree_rcu() net,rcu: convert call_rcu(rps_map_release) to kfree_rcu() ...
Diffstat (limited to 'net')
-rw-r--r--net/batman-adv/gateway_client.c10
-rw-r--r--net/batman-adv/originator.c10
-rw-r--r--net/batman-adv/soft-interface.c10
-rw-r--r--net/core/dev_addr_lists.c12
-rw-r--r--net/core/drop_monitor.c12
-rw-r--r--net/core/gen_estimator.c9
-rw-r--r--net/core/net-sysfs.c34
-rw-r--r--net/core/net_namespace.c10
-rw-r--r--net/decnet/dn_dev.c7
-rw-r--r--net/ipv4/fib_semantics.c12
-rw-r--r--net/ipv4/fib_trie.c7
-rw-r--r--net/ipv4/igmp.c32
-rw-r--r--net/ipv6/addrconf.c16
-rw-r--r--net/ipv6/mcast.c8
-rw-r--r--net/ipv6/sit.c7
-rw-r--r--net/mac80211/agg-tx.c14
-rw-r--r--net/mac80211/work.c10
-rw-r--r--net/netfilter/nf_conntrack_extend.c8
-rw-r--r--net/netfilter/xt_osf.c11
-rw-r--r--net/netlabel/netlabel_unlabeled.c42
-rw-r--r--net/netlink/af_netlink.c8
-rw-r--r--net/phonet/pn_dev.c10
-rw-r--r--net/sched/act_api.c7
-rw-r--r--net/sched/act_police.c8
-rw-r--r--net/sctp/bind_addr.c2
-rw-r--r--net/sctp/ipv6.c2
-rw-r--r--net/sctp/protocol.c9
-rw-r--r--net/socket.c11
28 files changed, 46 insertions, 292 deletions
diff --git a/net/batman-adv/gateway_client.c b/net/batman-adv/gateway_client.c
index 3cc43558cf9c..150b6ce23df3 100644
--- a/net/batman-adv/gateway_client.c
+++ b/net/batman-adv/gateway_client.c
@@ -28,18 +28,10 @@
#include <linux/udp.h>
#include <linux/if_vlan.h>
-static void gw_node_free_rcu(struct rcu_head *rcu)
-{
- struct gw_node *gw_node;
-
- gw_node = container_of(rcu, struct gw_node, rcu);
- kfree(gw_node);
-}
-
static void gw_node_free_ref(struct gw_node *gw_node)
{
if (atomic_dec_and_test(&gw_node->refcount))
- call_rcu(&gw_node->rcu, gw_node_free_rcu);
+ kfree_rcu(gw_node, rcu);
}
void *gw_get_selected(struct bat_priv *bat_priv)
diff --git a/net/batman-adv/originator.c b/net/batman-adv/originator.c
index 0b9133022d2d..ed23a5895d6c 100644
--- a/net/batman-adv/originator.c
+++ b/net/batman-adv/originator.c
@@ -56,18 +56,10 @@ err:
return 0;
}
-static void neigh_node_free_rcu(struct rcu_head *rcu)
-{
- struct neigh_node *neigh_node;
-
- neigh_node = container_of(rcu, struct neigh_node, rcu);
- kfree(neigh_node);
-}
-
void neigh_node_free_ref(struct neigh_node *neigh_node)
{
if (atomic_dec_and_test(&neigh_node->refcount))
- call_rcu(&neigh_node->rcu, neigh_node_free_rcu);
+ kfree_rcu(neigh_node, rcu);
}
struct neigh_node *create_neighbor(struct orig_node *orig_node,
diff --git a/net/batman-adv/soft-interface.c b/net/batman-adv/soft-interface.c
index 824e1f6e50f2..04efe022c13b 100644
--- a/net/batman-adv/soft-interface.c
+++ b/net/batman-adv/soft-interface.c
@@ -76,18 +76,10 @@ int my_skb_head_push(struct sk_buff *skb, unsigned int len)
return 0;
}
-static void softif_neigh_free_rcu(struct rcu_head *rcu)
-{
- struct softif_neigh *softif_neigh;
-
- softif_neigh = container_of(rcu, struct softif_neigh, rcu);
- kfree(softif_neigh);
-}
-
static void softif_neigh_free_ref(struct softif_neigh *softif_neigh)
{
if (atomic_dec_and_test(&softif_neigh->refcount))
- call_rcu(&softif_neigh->rcu, softif_neigh_free_rcu);
+ kfree_rcu(softif_neigh, rcu);
}
void softif_neigh_purge(struct bat_priv *bat_priv)
diff --git a/net/core/dev_addr_lists.c b/net/core/dev_addr_lists.c
index 7b39f3ed2fda..e2e66939ed00 100644
--- a/net/core/dev_addr_lists.c
+++ b/net/core/dev_addr_lists.c
@@ -68,14 +68,6 @@ static int __hw_addr_add(struct netdev_hw_addr_list *list, unsigned char *addr,
return __hw_addr_add_ex(list, addr, addr_len, addr_type, false);
}
-static void ha_rcu_free(struct rcu_head *head)
-{
- struct netdev_hw_addr *ha;
-
- ha = container_of(head, struct netdev_hw_addr, rcu_head);
- kfree(ha);
-}
-
static int __hw_addr_del_ex(struct netdev_hw_addr_list *list,
unsigned char *addr, int addr_len,
unsigned char addr_type, bool global)
@@ -94,7 +86,7 @@ static int __hw_addr_del_ex(struct netdev_hw_addr_list *list,
if (--ha->refcount)
return 0;
list_del_rcu(&ha->list);
- call_rcu(&ha->rcu_head, ha_rcu_free);
+ kfree_rcu(ha, rcu_head);
list->count--;
return 0;
}
@@ -197,7 +189,7 @@ void __hw_addr_flush(struct netdev_hw_addr_list *list)
list_for_each_entry_safe(ha, tmp, &list->list, list) {
list_del_rcu(&ha->list);
- call_rcu(&ha->rcu_head, ha_rcu_free);
+ kfree_rcu(ha, rcu_head);
}
list->count = 0;
}
diff --git a/net/core/drop_monitor.c b/net/core/drop_monitor.c
index 706502ff64aa..7f36b38e060f 100644
--- a/net/core/drop_monitor.c
+++ b/net/core/drop_monitor.c
@@ -207,14 +207,6 @@ static void trace_napi_poll_hit(void *ignore, struct napi_struct *napi)
rcu_read_unlock();
}
-
-static void free_dm_hw_stat(struct rcu_head *head)
-{
- struct dm_hw_stat_delta *n;
- n = container_of(head, struct dm_hw_stat_delta, rcu);
- kfree(n);
-}
-
static int set_all_monitor_traces(int state)
{
int rc = 0;
@@ -245,7 +237,7 @@ static int set_all_monitor_traces(int state)
list_for_each_entry_safe(new_stat, temp, &hw_stats_list, list) {
if (new_stat->dev == NULL) {
list_del_rcu(&new_stat->list);
- call_rcu(&new_stat->rcu, free_dm_hw_stat);
+ kfree_rcu(new_stat, rcu);
}
}
break;
@@ -314,7 +306,7 @@ static int dropmon_net_event(struct notifier_block *ev_block,
new_stat->dev = NULL;
if (trace_state == TRACE_OFF) {
list_del_rcu(&new_stat->list);
- call_rcu(&new_stat->rcu, free_dm_hw_stat);
+ kfree_rcu(new_stat, rcu);
break;
}
}
diff --git a/net/core/gen_estimator.c b/net/core/gen_estimator.c
index 7c2373321b74..43b03dd71e85 100644
--- a/net/core/gen_estimator.c
+++ b/net/core/gen_estimator.c
@@ -249,13 +249,6 @@ int gen_new_estimator(struct gnet_stats_basic_packed *bstats,
}
EXPORT_SYMBOL(gen_new_estimator);
-static void __gen_kill_estimator(struct rcu_head *head)
-{
- struct gen_estimator *e = container_of(head,
- struct gen_estimator, e_rcu);
- kfree(e);
-}
-
/**
* gen_kill_estimator - remove a rate estimator
* @bstats: basic statistics
@@ -279,7 +272,7 @@ void gen_kill_estimator(struct gnet_stats_basic_packed *bstats,
write_unlock(&est_lock);
list_del_rcu(&e->list);
- call_rcu(&e->e_rcu, __gen_kill_estimator);
+ kfree_rcu(e, e_rcu);
}
spin_unlock_bh(&est_tree_lock);
}
diff --git a/net/core/net-sysfs.c b/net/core/net-sysfs.c
index 5ceb257e860c..80b2aad3b73d 100644
--- a/net/core/net-sysfs.c
+++ b/net/core/net-sysfs.c
@@ -565,13 +565,6 @@ static ssize_t show_rps_map(struct netdev_rx_queue *queue,
return len;
}
-static void rps_map_release(struct rcu_head *rcu)
-{
- struct rps_map *map = container_of(rcu, struct rps_map, rcu);
-
- kfree(map);
-}
-
static ssize_t store_rps_map(struct netdev_rx_queue *queue,
struct rx_queue_attribute *attribute,
const char *buf, size_t len)
@@ -619,7 +612,7 @@ static ssize_t store_rps_map(struct netdev_rx_queue *queue,
spin_unlock(&rps_map_lock);
if (old_map)
- call_rcu(&old_map->rcu, rps_map_release);
+ kfree_rcu(old_map, rcu);
free_cpumask_var(mask);
return len;
@@ -728,7 +721,7 @@ static void rx_queue_release(struct kobject *kobj)
map = rcu_dereference_raw(queue->rps_map);
if (map) {
RCU_INIT_POINTER(queue->rps_map, NULL);
- call_rcu(&map->rcu, rps_map_release);
+ kfree_rcu(map, rcu);
}
flow_table = rcu_dereference_raw(queue->rps_flow_table);
@@ -898,21 +891,6 @@ static ssize_t show_xps_map(struct netdev_queue *queue,
return len;
}
-static void xps_map_release(struct rcu_head *rcu)
-{
- struct xps_map *map = container_of(rcu, struct xps_map, rcu);
-
- kfree(map);
-}
-
-static void xps_dev_maps_release(struct rcu_head *rcu)
-{
- struct xps_dev_maps *dev_maps =
- container_of(rcu, struct xps_dev_maps, rcu);
-
- kfree(dev_maps);
-}
-
static DEFINE_MUTEX(xps_map_mutex);
#define xmap_dereference(P) \
rcu_dereference_protected((P), lockdep_is_held(&xps_map_mutex))
@@ -1009,7 +987,7 @@ static ssize_t store_xps_map(struct netdev_queue *queue,
map = dev_maps ?
xmap_dereference(dev_maps->cpu_map[cpu]) : NULL;
if (map && xmap_dereference(new_dev_maps->cpu_map[cpu]) != map)
- call_rcu(&map->rcu, xps_map_release);
+ kfree_rcu(map, rcu);
if (new_dev_maps->cpu_map[cpu])
nonempty = 1;
}
@@ -1022,7 +1000,7 @@ static ssize_t store_xps_map(struct netdev_queue *queue,
}
if (dev_maps)
- call_rcu(&dev_maps->rcu, xps_dev_maps_release);
+ kfree_rcu(dev_maps, rcu);
netdev_queue_numa_node_write(queue, (numa_node >= 0) ? numa_node :
NUMA_NO_NODE);
@@ -1084,7 +1062,7 @@ static void netdev_queue_release(struct kobject *kobj)
else {
RCU_INIT_POINTER(dev_maps->cpu_map[i],
NULL);
- call_rcu(&map->rcu, xps_map_release);
+ kfree_rcu(map, rcu);
map = NULL;
}
}
@@ -1094,7 +1072,7 @@ static void netdev_queue_release(struct kobject *kobj)
if (!nonempty) {
RCU_INIT_POINTER(dev->xps_maps, NULL);
- call_rcu(&dev_maps->rcu, xps_dev_maps_release);
+ kfree_rcu(dev_maps, rcu);
}
}
diff --git a/net/core/net_namespace.c b/net/core/net_namespace.c
index 3f860261c5ee..297bb9272240 100644
--- a/net/core/net_namespace.c
+++ b/net/core/net_namespace.c
@@ -27,14 +27,6 @@ EXPORT_SYMBOL(init_net);
#define INITIAL_NET_GEN_PTRS 13 /* +1 for len +2 for rcu_head */
-static void net_generic_release(struct rcu_head *rcu)
-{
- struct net_generic *ng;
-
- ng = container_of(rcu, struct net_generic, rcu);
- kfree(ng);
-}
-
static int net_assign_generic(struct net *net, int id, void *data)
{
struct net_generic *ng, *old_ng;
@@ -68,7 +60,7 @@ static int net_assign_generic(struct net *net, int id, void *data)
memcpy(&ng->ptr, &old_ng->ptr, old_ng->len * sizeof(void*));
rcu_assign_pointer(net->gen, ng);
- call_rcu(&old_ng->rcu, net_generic_release);
+ kfree_rcu(old_ng, rcu);
assign:
ng->ptr[id - 1] = data;
return 0;
diff --git a/net/decnet/dn_dev.c b/net/decnet/dn_dev.c
index 0dcaa903e00e..4c27615340dc 100644
--- a/net/decnet/dn_dev.c
+++ b/net/decnet/dn_dev.c
@@ -332,14 +332,9 @@ static struct dn_ifaddr *dn_dev_alloc_ifa(void)
return ifa;
}
-static void dn_dev_free_ifa_rcu(struct rcu_head *head)
-{
- kfree(container_of(head, struct dn_ifaddr, rcu));
-}
-
static void dn_dev_free_ifa(struct dn_ifaddr *ifa)
{
- call_rcu(&ifa->rcu, dn_dev_free_ifa_rcu);
+ kfree_rcu(ifa, rcu);
}
static void dn_dev_del_ifa(struct dn_dev *dn_db, struct dn_ifaddr __rcu **ifap, int destroy)
diff --git a/net/ipv4/fib_semantics.c b/net/ipv4/fib_semantics.c
index 641a5a2a9f9c..33e2c35b74b7 100644
--- a/net/ipv4/fib_semantics.c
+++ b/net/ipv4/fib_semantics.c
@@ -141,18 +141,8 @@ const struct fib_prop fib_props[RTN_MAX + 1] = {
},
};
-
/* Release a nexthop info record */
-static void free_fib_info_rcu(struct rcu_head *head)
-{
- struct fib_info *fi = container_of(head, struct fib_info, rcu);
-
- if (fi->fib_metrics != (u32 *) dst_default_metrics)
- kfree(fi->fib_metrics);
- kfree(fi);
-}
-
void free_fib_info(struct fib_info *fi)
{
if (fi->fib_dead == 0) {
@@ -166,7 +156,7 @@ void free_fib_info(struct fib_info *fi)
} endfor_nexthops(fi);
fib_info_cnt--;
release_net(fi->fib_net);
- call_rcu(&fi->rcu, free_fib_info_rcu);
+ kfree_rcu(fi, rcu);
}
void fib_release_info(struct fib_info *fi)
diff --git a/net/ipv4/fib_trie.c b/net/ipv4/fib_trie.c
index 5fe9b8b41df3..11d4d28190bd 100644
--- a/net/ipv4/fib_trie.c
+++ b/net/ipv4/fib_trie.c
@@ -350,14 +350,9 @@ static inline void free_leaf(struct leaf *l)
call_rcu_bh(&l->rcu, __leaf_free_rcu);
}
-static void __leaf_info_free_rcu(struct rcu_head *head)
-{
- kfree(container_of(head, struct leaf_info, rcu));
-}
-
static inline void free_leaf_info(struct leaf_info *leaf)
{
- call_rcu(&leaf->rcu, __leaf_info_free_rcu);
+ kfree_rcu(leaf, rcu);
}
static struct tnode *tnode_alloc(size_t size)
diff --git a/net/ipv4/igmp.c b/net/ipv4/igmp.c
index 1fd3d9ce8398..8f62d66d0857 100644
--- a/net/ipv4/igmp.c
+++ b/net/ipv4/igmp.c
@@ -149,17 +149,11 @@ static void ip_mc_clear_src(struct ip_mc_list *pmc);
static int ip_mc_add_src(struct in_device *in_dev, __be32 *pmca, int sfmode,
int sfcount, __be32 *psfsrc, int delta);
-
-static void ip_mc_list_reclaim(struct rcu_head *head)
-{
- kfree(container_of(head, struct ip_mc_list, rcu));
-}
-
static void ip_ma_put(struct ip_mc_list *im)
{
if (atomic_dec_and_test(&im->refcnt)) {
in_dev_put(im->interface);
- call_rcu(&im->rcu, ip_mc_list_reclaim);
+ kfree_rcu(im, rcu);
}
}
@@ -1836,12 +1830,6 @@ done:
}
EXPORT_SYMBOL(ip_mc_join_group);
-static void ip_sf_socklist_reclaim(struct rcu_head *rp)
-{
- kfree(container_of(rp, struct ip_sf_socklist, rcu));
- /* sk_omem_alloc should have been decreased by the caller*/
-}
-
static int ip_mc_leave_src(struct sock *sk, struct ip_mc_socklist *iml,
struct in_device *in_dev)
{
@@ -1858,18 +1846,10 @@ static int ip_mc_leave_src(struct sock *sk, struct ip_mc_socklist *iml,
rcu_assign_pointer(iml->sflist, NULL);
/* decrease mem now to avoid the memleak warning */
atomic_sub(IP_SFLSIZE(psf->sl_max), &sk->sk_omem_alloc);
- call_rcu(&psf->rcu, ip_sf_socklist_reclaim);
+ kfree_rcu(psf, rcu);
return err;
}
-
-static void ip_mc_socklist_reclaim(struct rcu_head *rp)
-{
- kfree(container_of(rp, struct ip_mc_socklist, rcu));
- /* sk_omem_alloc should have been decreased by the caller*/
-}
-
-
/*
* Ask a socket to leave a group.
*/
@@ -1909,7 +1889,7 @@ int ip_mc_leave_group(struct sock *sk, struct ip_mreqn *imr)
rtnl_unlock();
/* decrease mem now to avoid the memleak warning */
atomic_sub(sizeof(*iml), &sk->sk_omem_alloc);
- call_rcu(&iml->rcu, ip_mc_socklist_reclaim);
+ kfree_rcu(iml, rcu);
return 0;
}
if (!in_dev)
@@ -2026,7 +2006,7 @@ int ip_mc_source(int add, int omode, struct sock *sk, struct
newpsl->sl_addr[i] = psl->sl_addr[i];
/* decrease mem now to avoid the memleak warning */
atomic_sub(IP_SFLSIZE(psl->sl_max), &sk->sk_omem_alloc);
- call_rcu(&psl->rcu, ip_sf_socklist_reclaim);
+ kfree_rcu(psl, rcu);
}
rcu_assign_pointer(pmc->sflist, newpsl);
psl = newpsl;
@@ -2127,7 +2107,7 @@ int ip_mc_msfilter(struct sock *sk, struct ip_msfilter *msf, int ifindex)
psl->sl_count, psl->sl_addr, 0);
/* decrease mem now to avoid the memleak warning */
atomic_sub(IP_SFLSIZE(psl->sl_max), &sk->sk_omem_alloc);
- call_rcu(&psl->rcu, ip_sf_socklist_reclaim);
+ kfree_rcu(psl, rcu);
} else
(void) ip_mc_del_src(in_dev, &msf->imsf_multiaddr, pmc->sfmode,
0, NULL, 0);
@@ -2324,7 +2304,7 @@ void ip_mc_drop_socket(struct sock *sk)
ip_mc_dec_group(in_dev, iml->multi.imr_multiaddr.s_addr);
/* decrease mem now to avoid the memleak warning */
atomic_sub(sizeof(*iml), &sk->sk_omem_alloc);
- call_rcu(&iml->rcu, ip_mc_socklist_reclaim);
+ kfree_rcu(iml, rcu);
}
rtnl_unlock();
}
diff --git a/net/ipv6/addrconf.c b/net/ipv6/addrconf.c
index a7bda0757053..8f13d88d7dba 100644
--- a/net/ipv6/addrconf.c
+++ b/net/ipv6/addrconf.c
@@ -317,12 +317,6 @@ static void snmp6_free_dev(struct inet6_dev *idev)
/* Nobody refers to this device, we may destroy it. */
-static void in6_dev_finish_destroy_rcu(struct rcu_head *head)
-{
- struct inet6_dev *idev = container_of(head, struct inet6_dev, rcu);
- kfree(idev);
-}
-
void in6_dev_finish_destroy(struct inet6_dev *idev)
{
struct net_device *dev = idev->dev;
@@ -339,7 +333,7 @@ void in6_dev_finish_destroy(struct inet6_dev *idev)
return;
}
snmp6_free_dev(idev);
- call_rcu(&idev->rcu, in6_dev_finish_destroy_rcu);
+ kfree_rcu(idev, rcu);
}
EXPORT_SYMBOL(in6_dev_finish_destroy);
@@ -535,12 +529,6 @@ static int addrconf_fixup_forwarding(struct ctl_table *table, int *p, int old)
}
#endif
-static void inet6_ifa_finish_destroy_rcu(struct rcu_head *head)
-{
- struct inet6_ifaddr *ifp = container_of(head, struct inet6_ifaddr, rcu);
- kfree(ifp);
-}
-
/* Nobody refers to this ifaddr, destroy it */
void inet6_ifa_finish_destroy(struct inet6_ifaddr *ifp)
{
@@ -561,7 +549,7 @@ void inet6_ifa_finish_destroy(struct inet6_ifaddr *ifp)
}
dst_release(&ifp->rt->dst);
- call_rcu(&ifp->rcu, inet6_ifa_finish_destroy_rcu);
+ kfree_rcu(ifp, rcu);
}
static void
diff --git a/net/ipv6/mcast.c b/net/ipv6/mcast.c
index 76b893771e6e..f2d98ca7588a 100644
--- a/net/ipv6/mcast.c
+++ b/net/ipv6/mcast.c
@@ -201,10 +201,6 @@ int ipv6_sock_mc_join(struct sock *sk, int ifindex, const struct in6_addr *addr)
return 0;
}
-static void ipv6_mc_socklist_reclaim(struct rcu_head *head)
-{
- kfree(container_of(head, struct ipv6_mc_socklist, rcu));
-}
/*
* socket leave on multicast group
*/
@@ -239,7 +235,7 @@ int ipv6_sock_mc_drop(struct sock *sk, int ifindex, const struct in6_addr *addr)
(void) ip6_mc_leave_src(sk, mc_lst, NULL);
rcu_read_unlock();
atomic_sub(sizeof(*mc_lst), &sk->sk_omem_alloc);
- call_rcu(&mc_lst->rcu, ipv6_mc_socklist_reclaim);
+ kfree_rcu(mc_lst, rcu);
return 0;
}
}
@@ -307,7 +303,7 @@ void ipv6_sock_mc_close(struct sock *sk)
rcu_read_unlock();
atomic_sub(sizeof(*mc_lst), &sk->sk_omem_alloc);
- call_rcu(&mc_lst->rcu, ipv6_mc_socklist_reclaim);
+ kfree_rcu(mc_lst, rcu);
spin_lock(&ipv6_sk_mc_lock);
}
diff --git a/net/ipv6/sit.c b/net/ipv6/sit.c
index 43b33373adb2..5f35d595e4a5 100644
--- a/net/ipv6/sit.c
+++ b/net/ipv6/sit.c
@@ -401,11 +401,6 @@ out:
return err;
}
-static void prl_entry_destroy_rcu(struct rcu_head *head)
-{
- kfree(container_of(head, struct ip_tunnel_prl_entry, rcu_head));
-}
-
static void prl_list_destroy_rcu(struct rcu_head *head)
{
struct ip_tunnel_prl_entry *p, *n;
@@ -433,7 +428,7 @@ ipip6_tunnel_del_prl(struct ip_tunnel *t, struct ip_tunnel_prl *a)
p = &x->next) {
if (x->addr == a->addr) {
*p = x->next;
- call_rcu(&x->rcu_head, prl_entry_destroy_rcu);
+ kfree_rcu(x, rcu_head);
t->prl_count--;
goto out;
}
diff --git a/net/mac80211/agg-tx.c b/net/mac80211/agg-tx.c
index 63d852cb4ca2..53defafb9aae 100644
--- a/net/mac80211/agg-tx.c
+++ b/net/mac80211/agg-tx.c
@@ -136,14 +136,6 @@ void ieee80211_send_bar(struct ieee80211_sub_if_data *sdata, u8 *ra, u16 tid, u1
ieee80211_tx_skb(sdata, skb);
}
-static void kfree_tid_tx(struct rcu_head *rcu_head)
-{
- struct tid_ampdu_tx *tid_tx =
- container_of(rcu_head, struct tid_ampdu_tx, rcu_head);
-
- kfree(tid_tx);
-}
-
int ___ieee80211_stop_tx_ba_session(struct sta_info *sta, u16 tid,
enum ieee80211_back_parties initiator,
bool tx)
@@ -163,7 +155,7 @@ int ___ieee80211_stop_tx_ba_session(struct sta_info *sta, u16 tid,
/* not even started yet! */
rcu_assign_pointer(sta->ampdu_mlme.tid_tx[tid], NULL);
spin_unlock_bh(&sta->lock);
- call_rcu(&tid_tx->rcu_head, kfree_tid_tx);
+ kfree_rcu(tid_tx, rcu_head);
return 0;
}
@@ -322,7 +314,7 @@ void ieee80211_tx_ba_session_handle_start(struct sta_info *sta, int tid)
spin_unlock_bh(&sta->lock);
ieee80211_wake_queue_agg(local, tid);
- call_rcu(&tid_tx->rcu_head, kfree_tid_tx);
+ kfree_rcu(tid_tx, rcu_head);
return;
}
@@ -701,7 +693,7 @@ void ieee80211_stop_tx_ba_cb(struct ieee80211_vif *vif, u8 *ra, u8 tid)
ieee80211_agg_splice_finish(local, tid);
- call_rcu(&tid_tx->rcu_head, kfree_tid_tx);
+ kfree_rcu(tid_tx, rcu_head);
unlock_sta:
spin_unlock_bh(&sta->lock);
diff --git a/net/mac80211/work.c b/net/mac80211/work.c
index e73c8cae036b..ac3549690b8e 100644
--- a/net/mac80211/work.c
+++ b/net/mac80211/work.c
@@ -65,17 +65,9 @@ static void run_again(struct ieee80211_local *local,
mod_timer(&local->work_timer, timeout);
}
-static void work_free_rcu(struct rcu_head *head)
-{
- struct ieee80211_work *wk =
- container_of(head, struct ieee80211_work, rcu_head);
-
- kfree(wk);
-}
-
void free_work(struct ieee80211_work *wk)
{
- call_rcu(&wk->rcu_head, work_free_rcu);
+ kfree_rcu(wk, rcu_head);
}
static int ieee80211_compatible_rates(const u8 *supp_rates, int supp_rates_len,
diff --git a/net/netfilter/nf_conntrack_extend.c b/net/netfilter/nf_conntrack_extend.c
index 80a23ed62bb0..05ecdc281a53 100644
--- a/net/netfilter/nf_conntrack_extend.c
+++ b/net/netfilter/nf_conntrack_extend.c
@@ -68,12 +68,6 @@ nf_ct_ext_create(struct nf_ct_ext **ext, enum nf_ct_ext_id id, gfp_t gfp)
return (void *)(*ext) + off;
}
-static void __nf_ct_ext_free_rcu(struct rcu_head *head)
-{
- struct nf_ct_ext *ext = container_of(head, struct nf_ct_ext, rcu);
- kfree(ext);
-}
-
void *__nf_ct_ext_add(struct nf_conn *ct, enum nf_ct_ext_id id, gfp_t gfp)
{
struct nf_ct_ext *old, *new;
@@ -114,7 +108,7 @@ void *__nf_ct_ext_add(struct nf_conn *ct, enum nf_ct_ext_id id, gfp_t gfp)
(void *)old + old->offset[i]);
rcu_read_unlock();
}
- call_rcu(&old->rcu, __nf_ct_ext_free_rcu);
+ kfree_rcu(old, rcu);
ct->ext = new;
}
diff --git a/net/netfilter/xt_osf.c b/net/netfilter/xt_osf.c
index 4327e101c047..846f895cb656 100644
--- a/net/netfilter/xt_osf.c
+++ b/net/netfilter/xt_osf.c
@@ -62,13 +62,6 @@ static const struct nla_policy xt_osf_policy[OSF_ATTR_MAX + 1] = {
[OSF_ATTR_FINGER] = { .len = sizeof(struct xt_osf_user_finger) },
};
-static void xt_osf_finger_free_rcu(struct rcu_head *rcu_head)
-{
- struct xt_osf_finger *f = container_of(rcu_head, struct xt_osf_finger, rcu_head);
-
- kfree(f);
-}
-
static int xt_osf_add_callback(struct sock *ctnl, struct sk_buff *skb,
const struct nlmsghdr *nlh,
const struct nlattr * const osf_attrs[])
@@ -133,7 +126,7 @@ static int xt_osf_remove_callback(struct sock *ctnl, struct sk_buff *skb,
* We are protected by nfnl mutex.
*/
list_del_rcu(&sf->finger_entry);
- call_rcu(&sf->rcu_head, xt_osf_finger_free_rcu);
+ kfree_rcu(sf, rcu_head);
err = 0;
break;
@@ -414,7 +407,7 @@ static void __exit xt_osf_fini(void)
list_for_each_entry_rcu(f, &xt_osf_fingers[i], finger_entry) {
list_del_rcu(&f->finger_entry);
- call_rcu(&f->rcu_head, xt_osf_finger_free_rcu);
+ kfree_rcu(f, rcu_head);
}
}
rcu_read_unlock();
diff --git a/net/netlabel/netlabel_unlabeled.c b/net/netlabel/netlabel_unlabeled.c
index e2b0a680dd56..9c38658fba8b 100644
--- a/net/netlabel/netlabel_unlabeled.c
+++ b/net/netlabel/netlabel_unlabeled.c
@@ -154,44 +154,6 @@ static const struct nla_policy netlbl_unlabel_genl_policy[NLBL_UNLABEL_A_MAX + 1
*/
/**
- * netlbl_unlhsh_free_addr4 - Frees an IPv4 address entry from the hash table
- * @entry: the entry's RCU field
- *
- * Description:
- * This function is designed to be used as a callback to the call_rcu()
- * function so that memory allocated to a hash table address entry can be
- * released safely.
- *
- */
-static void netlbl_unlhsh_free_addr4(struct rcu_head *entry)
-{
- struct netlbl_unlhsh_addr4 *ptr;
-
- ptr = container_of(entry, struct netlbl_unlhsh_addr4, rcu);
- kfree(ptr);
-}
-
-#if defined(CONFIG_IPV6) || defined(CONFIG_IPV6_MODULE)
-/**
- * netlbl_unlhsh_free_addr6 - Frees an IPv6 address entry from the hash table
- * @entry: the entry's RCU field
- *
- * Description:
- * This function is designed to be used as a callback to the call_rcu()
- * function so that memory allocated to a hash table address entry can be
- * released safely.
- *
- */
-static void netlbl_unlhsh_free_addr6(struct rcu_head *entry)
-{
- struct netlbl_unlhsh_addr6 *ptr;
-
- ptr = container_of(entry, struct netlbl_unlhsh_addr6, rcu);
- kfree(ptr);
-}
-#endif /* IPv6 */
-
-/**
* netlbl_unlhsh_free_iface - Frees an interface entry from the hash table
* @entry: the entry's RCU field
*
@@ -568,7 +530,7 @@ static int netlbl_unlhsh_remove_addr4(struct net *net,
if (entry == NULL)
return -ENOENT;
- call_rcu(&entry->rcu, netlbl_unlhsh_free_addr4);
+ kfree_rcu(entry, rcu);
return 0;
}
@@ -629,7 +591,7 @@ static int netlbl_unlhsh_remove_addr6(struct net *net,
if (entry == NULL)
return -ENOENT;
- call_rcu(&entry->rcu, netlbl_unlhsh_free_addr6);
+ kfree_rcu(entry, rcu);
return 0;
}
#endif /* IPv6 */
diff --git a/net/netlink/af_netlink.c b/net/netlink/af_netlink.c
index c8f35b5d2ee9..5fe4f3b04ed3 100644
--- a/net/netlink/af_netlink.c
+++ b/net/netlink/af_netlink.c
@@ -1566,12 +1566,6 @@ netlink_kernel_release(struct sock *sk)
}
EXPORT_SYMBOL(netlink_kernel_release);
-
-static void listeners_free_rcu(struct rcu_head *head)
-{
- kfree(container_of(head, struct listeners, rcu));
-}
-
int __netlink_change_ngroups(struct sock *sk, unsigned int groups)
{
struct listeners *new, *old;
@@ -1588,7 +1582,7 @@ int __netlink_change_ngroups(struct sock *sk, unsigned int groups)
memcpy(new->masks, old->masks, NLGRPSZ(tbl->groups));
rcu_assign_pointer(tbl->listeners, new);
- call_rcu(&old->rcu, listeners_free_rcu);
+ kfree_rcu(old, rcu);
}
tbl->groups = groups;
diff --git a/net/phonet/pn_dev.c b/net/phonet/pn_dev.c
index 947038ddd04c..1566672235dd 100644
--- a/net/phonet/pn_dev.c
+++ b/net/phonet/pn_dev.c
@@ -162,14 +162,6 @@ int phonet_address_add(struct net_device *dev, u8 addr)
return err;
}
-static void phonet_device_rcu_free(struct rcu_head *head)
-{
- struct phonet_device *pnd;
-
- pnd = container_of(head, struct phonet_device, rcu);
- kfree(pnd);
-}
-
int phonet_address_del(struct net_device *dev, u8 addr)
{
struct phonet_device_list *pndevs = phonet_device_list(dev_net(dev));
@@ -188,7 +180,7 @@ int phonet_address_del(struct net_device *dev, u8 addr)
mutex_unlock(&pndevs->lock);
if (pnd)
- call_rcu(&pnd->rcu, phonet_device_rcu_free);
+ kfree_rcu(pnd, rcu);
return err;
}
diff --git a/net/sched/act_api.c b/net/sched/act_api.c
index 14b42f4ad791..a606025814a1 100644
--- a/net/sched/act_api.c
+++ b/net/sched/act_api.c
@@ -26,11 +26,6 @@
#include <net/act_api.h>
#include <net/netlink.h>
-static void tcf_common_free_rcu(struct rcu_head *head)
-{
- kfree(container_of(head, struct tcf_common, tcfc_rcu));
-}
-
void tcf_hash_destroy(struct tcf_common *p, struct tcf_hashinfo *hinfo)
{
unsigned int h = tcf_hash(p->tcfc_index, hinfo->hmask);
@@ -47,7 +42,7 @@ void tcf_hash_destroy(struct tcf_common *p, struct tcf_hashinfo *hinfo)
* gen_estimator est_timer() might access p->tcfc_lock
* or bstats, wait a RCU grace period before freeing p
*/
- call_rcu(&p->tcfc_rcu, tcf_common_free_rcu);
+ kfree_rcu(p, tcfc_rcu);
return;
}
}
diff --git a/net/sched/act_police.c b/net/sched/act_police.c
index 8a1630774fd6..b3b9b32f4e00 100644
--- a/net/sched/act_police.c
+++ b/net/sched/act_police.c
@@ -96,11 +96,6 @@ nla_put_failure:
goto done;
}
-static void tcf_police_free_rcu(struct rcu_head *head)
-{
- kfree(container_of(head, struct tcf_police, tcf_rcu));
-}
-
static void tcf_police_destroy(struct tcf_police *p)
{
unsigned int h = tcf_hash(p->tcf_index, POL_TAB_MASK);
@@ -121,7 +116,7 @@ static void tcf_police_destroy(struct tcf_police *p)
* gen_estimator est_timer() might access p->tcf_lock
* or bstats, wait a RCU grace period before freeing p
*/
- call_rcu(&p->tcf_rcu, tcf_police_free_rcu);
+ kfree_rcu(p, tcf_rcu);
return;
}
}
@@ -401,7 +396,6 @@ static void __exit
police_cleanup_module(void)
{
tcf_unregister_action(&act_police_ops);
- rcu_barrier(); /* Wait for completion of call_rcu()'s (tcf_police_free_rcu) */
}
module_init(police_init_module);
diff --git a/net/sctp/bind_addr.c b/net/sctp/bind_addr.c
index faf71d179e46..3c06c87cd280 100644
--- a/net/sctp/bind_addr.c
+++ b/net/sctp/bind_addr.c
@@ -219,7 +219,7 @@ int sctp_del_bind_addr(struct sctp_bind_addr *bp, union sctp_addr *del_addr)
}
if (found) {
- call_rcu(&addr->rcu, sctp_local_addr_free);
+ kfree_rcu(addr, rcu);
SCTP_DBG_OBJCNT_DEC(addr);
return 0;
}
diff --git a/net/sctp/ipv6.c b/net/sctp/ipv6.c
index 865ce7ba4e14..185fe058db11 100644
--- a/net/sctp/ipv6.c
+++ b/net/sctp/ipv6.c
@@ -123,7 +123,7 @@ static int sctp_inet6addr_event(struct notifier_block *this, unsigned long ev,
}
spin_unlock_bh(&sctp_local_addr_lock);
if (found)
- call_rcu(&addr->rcu, sctp_local_addr_free);
+ kfree_rcu(addr, rcu);
break;
}
diff --git a/net/sctp/protocol.c b/net/sctp/protocol.c
index d5bf91d04f63..065d99958ced 100644
--- a/net/sctp/protocol.c
+++ b/net/sctp/protocol.c
@@ -230,13 +230,6 @@ static void sctp_free_local_addr_list(void)
}
}
-void sctp_local_addr_free(struct rcu_head *head)
-{
- struct sctp_sockaddr_entry *e = container_of(head,
- struct sctp_sockaddr_entry, rcu);
- kfree(e);
-}
-
/* Copy the local addresses which are valid for 'scope' into 'bp'. */
int sctp_copy_local_addr_list(struct sctp_bind_addr *bp, sctp_scope_t scope,
gfp_t gfp, int copy_flags)
@@ -681,7 +674,7 @@ static int sctp_inetaddr_event(struct notifier_block *this, unsigned long ev,
}
spin_unlock_bh(&sctp_local_addr_lock);
if (found)
- call_rcu(&addr->rcu, sctp_local_addr_free);
+ kfree_rcu(addr, rcu);
break;
}
diff --git a/net/socket.c b/net/socket.c
index 310d16b1b3c9..c2ed7c95ce87 100644
--- a/net/socket.c
+++ b/net/socket.c
@@ -263,15 +263,6 @@ static struct inode *sock_alloc_inode(struct super_block *sb)
return &ei->vfs_inode;
}
-
-
-static void wq_free_rcu(struct rcu_head *head)
-{
- struct socket_wq *wq = container_of(head, struct socket_wq, rcu);
-
- kfree(wq);
-}
-
static void sock_destroy_inode(struct inode *inode)
{
struct socket_alloc *ei;
@@ -279,7 +270,7 @@ static void sock_destroy_inode(struct inode *inode)
ei = container_of(inode, struct socket_alloc, vfs_inode);
wq = rcu_dereference_protected(ei->socket.wq, 1);
- call_rcu(&wq->rcu, wq_free_rcu);
+ kfree_rcu(wq, rcu);
kmem_cache_free(sock_inode_cachep, ei);
}