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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/core
parent5765040ebfc9a28d9dcfaaaaf3d25840d922de96 (diff)
parent80d02085d99039b3b7f3a73c8896226b0cb1ba07 (diff)
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/core')
-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
5 files changed, 12 insertions, 65 deletions
diff --git a/net/core/dev_addr_lists.c b/net/core/dev_addr_lists.c
index 7b39f3ed2fd..e2e66939ed0 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 706502ff64a..7f36b38e060 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 7c2373321b7..43b03dd71e8 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 5ceb257e860..80b2aad3b73 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 3f860261c5e..297bb927224 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;