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authorMarek Lindner <mareklindner@neomailbox.ch>2015-06-21 19:30:22 +0300
committerAntonio Quartulli <antonio@meshcoding.com>2015-08-25 01:12:20 +0300
commitd0fa4f3f5b0419a016ff27eea2fa615e4c0d1713 (patch)
tree51ab757464f9b005c9334197b86ed29141e99f35 /net/batman-adv/originator.c
parent2bdd1888f147576fb870a926a4d015305b5bbeee (diff)
downloadlinux-d0fa4f3f5b0419a016ff27eea2fa615e4c0d1713.tar.xz
batman-adv: convert orig_node->vlan_list to hlist
Since the list's tail is never accessed using a double linked list head wastes memory. Signed-off-by: Marek Lindner <mareklindner@neomailbox.ch> Signed-off-by: Antonio Quartulli <antonio@meshcoding.com>
Diffstat (limited to 'net/batman-adv/originator.c')
-rw-r--r--net/batman-adv/originator.c7
1 files changed, 4 insertions, 3 deletions
diff --git a/net/batman-adv/originator.c b/net/batman-adv/originator.c
index 4500e3a08719..610620aa8d26 100644
--- a/net/batman-adv/originator.c
+++ b/net/batman-adv/originator.c
@@ -26,6 +26,7 @@
#include <linux/list.h>
#include <linux/lockdep.h>
#include <linux/netdevice.h>
+#include <linux/rculist.h>
#include <linux/seq_file.h>
#include <linux/slab.h>
#include <linux/spinlock.h>
@@ -70,7 +71,7 @@ batadv_orig_node_vlan_get(struct batadv_orig_node *orig_node,
struct batadv_orig_node_vlan *vlan = NULL, *tmp;
rcu_read_lock();
- list_for_each_entry_rcu(tmp, &orig_node->vlan_list, list) {
+ hlist_for_each_entry_rcu(tmp, &orig_node->vlan_list, list) {
if (tmp->vid != vid)
continue;
@@ -118,7 +119,7 @@ batadv_orig_node_vlan_new(struct batadv_orig_node *orig_node,
atomic_set(&vlan->refcount, 2);
vlan->vid = vid;
- list_add_rcu(&vlan->list, &orig_node->vlan_list);
+ hlist_add_head_rcu(&vlan->list, &orig_node->vlan_list);
out:
spin_unlock_bh(&orig_node->vlan_list_lock);
@@ -673,7 +674,7 @@ struct batadv_orig_node *batadv_orig_node_new(struct batadv_priv *bat_priv,
return NULL;
INIT_HLIST_HEAD(&orig_node->neigh_list);
- INIT_LIST_HEAD(&orig_node->vlan_list);
+ INIT_HLIST_HEAD(&orig_node->vlan_list);
INIT_HLIST_HEAD(&orig_node->ifinfo_list);
spin_lock_init(&orig_node->bcast_seqno_lock);
spin_lock_init(&orig_node->neigh_list_lock);