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authorLai Jiangshan <laijs@cn.fujitsu.com>2011-03-18 12:01:31 +0800
committerPaul E. McKenney <paulmck@linux.vnet.ibm.com>2011-05-07 22:51:02 -0700
commitf6f80238fab1ad19c44b4a12501528d50fc7fcd6 (patch)
treed40f2fb303dea12d632648e00d279712a8f57533
parente3cbf28fa61456bd2f0ba39846ffd905257eb4b0 (diff)
net,rcu: convert call_rcu(rps_map_release) to kfree_rcu()
The rcu callback rps_map_release() just calls a kfree(), so we use kfree_rcu() instead of the call_rcu(rps_map_release). Signed-off-by: Lai Jiangshan <laijs@cn.fujitsu.com> Acked-by: David S. Miller <davem@davemloft.net> Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com> Reviewed-by: Josh Triplett <josh@joshtriplett.org>
-rw-r--r--net/core/net-sysfs.c11
1 files changed, 2 insertions, 9 deletions
diff --git a/net/core/net-sysfs.c b/net/core/net-sysfs.c
index 5ceb257e860..c410f2854c8 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);