diff options
| author | Marek Lindner <mareklindner@neomailbox.ch> | 2015-06-22 00:30:22 +0800 |
|---|---|---|
| committer | Antonio Quartulli <antonio@meshcoding.com> | 2015-08-25 00:12:20 +0200 |
| commit | d0fa4f3f5b0419a016ff27eea2fa615e4c0d1713 (patch) | |
| tree | 51ab757464f9b005c9334197b86ed29141e99f35 /net/batman-adv/originator.c | |
| parent | 2bdd1888f147576fb870a926a4d015305b5bbeee (diff) | |
| download | linux-d0fa4f3f5b0419a016ff27eea2fa615e4c0d1713.tar.bz2 | |
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.c | 7 |
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); |