Merge branch 'for-next' of git://git.samba.org/sfrench/cifs-2.6

[karo-tx-linux.git] / mm / list_lru.c

diff --git a/mm/list_lru.c b/mm/list_lru.c
index f91c24188573af8b01dccf9e2b3fab7586b18f8e..72467914b85640bb88730cb4a5c54113e531b35a 100644 (file)
--- a/mm/list_lru.c
+++ b/mm/list_lru.c
@@ -8,6 +8,7 @@
 #include <linux/module.h>
 #include <linux/mm.h>
 #include <linux/list_lru.h>
+#include <linux/slab.h>
 
 bool list_lru_add(struct list_lru *lru, struct list_head *item)
 {
@@ -115,9 +116,14 @@ EXPORT_SYMBOL_GPL(list_lru_walk_node);
 int list_lru_init(struct list_lru *lru)
 {
        int i;
+       size_t size = sizeof(*lru->node) * nr_node_ids;
+
+       lru->node = kzalloc(size, GFP_KERNEL);
+       if (!lru->node)
+               return -ENOMEM;
 
        nodes_clear(lru->active_nodes);
-       for (i = 0; i < MAX_NUMNODES; i++) {
+       for (i = 0; i < nr_node_ids; i++) {
                spin_lock_init(&lru->node[i].lock);
                INIT_LIST_HEAD(&lru->node[i].list);
                lru->node[i].nr_items = 0;
@@ -125,3 +131,9 @@ int list_lru_init(struct list_lru *lru)
        return 0;
 }
 EXPORT_SYMBOL_GPL(list_lru_init);
+
+void list_lru_destroy(struct list_lru *lru)
+{
+       kfree(lru->node);
+}
+EXPORT_SYMBOL_GPL(list_lru_destroy);