@@ -876,14 +876,6 @@ static ssize_t show_xps_map(struct netdev_queue *queue,
return len;
}
-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))
@@ -993,7 +985,7 @@ 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);
@@ -1065,7 +1057,7 @@ 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);
}
}
The rcu callback xps_dev_maps_release() just calls a kfree(), so we use kfree_rcu() instead of the call_rcu(xps_dev_maps_release). Signed-off-by: Lai Jiangshan <laijs@cn.fujitsu.com> --- net/core/net-sysfs.c | 12 ++---------- 1 files changed, 2 insertions(+), 10 deletions(-)