From d0fa4f3f5b0419a016ff27eea2fa615e4c0d1713 Mon Sep 17 00:00:00 2001 From: Marek Lindner Date: Mon, 22 Jun 2015 00:30:22 +0800 Subject: 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 Signed-off-by: Antonio Quartulli --- net/batman-adv/originator.c | 7 ++++--- 1 file changed, 4 insertions(+), 3 deletions(-) (limited to 'net/batman-adv/originator.c') 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 #include #include +#include #include #include #include @@ -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); -- cgit v1.2.3