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Diffstat (limited to 'mm')
-rw-r--r--mm/list_lru.c14
1 files changed, 13 insertions, 1 deletions
diff --git a/mm/list_lru.c b/mm/list_lru.c
index f91c24188573..72467914b856 100644
--- 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);