[PATCH 16/36] net,rcu: convert call_rcu(rps_map_release) to kfree_rcu()
From: Lai Jiangshan <hidden>
Date: 2011-03-18 03:59:52
Also in:
lkml
Subsystem:
networking [general], the rest · Maintainers:
"David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Linus Torvalds
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 <redacted> --- net/core/net-sysfs.c | 11 ++--------- 1 files changed, 2 insertions(+), 9 deletions(-)
diff --git a/net/core/net-sysfs.c b/net/core/net-sysfs.c
index e23c01b..21e9208 100644
--- a/net/core/net-sysfs.c
+++ b/net/core/net-sysfs.c@@ -550,13 +550,6 @@ 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)
@@ -604,7 +597,7 @@ 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;
@@ -713,7 +706,7 @@ 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);
--
1.7.4