diff --git a/include/linux/list_lru.h b/include/linux/list_lru.h
index 4d02ad3badab..3ce541753c88 100644
--- a/include/linux/list_lru.h
+++ b/include/linux/list_lru.h
@@ -27,20 +27,11 @@ struct list_lru_node {
 } ____cacheline_aligned_in_smp;
 
 struct list_lru {
-	/*
-	 * Because we use a fixed-size array, this struct can be very big if
-	 * MAX_NUMNODES is big. If this becomes a problem this is fixable by
-	 * turning this into a pointer and dynamically allocating this to
-	 * nr_node_ids. This quantity is firwmare-provided, and still would
-	 * provide room for all nodes at the cost of a pointer lookup and an
-	 * extra allocation. Because that allocation will most likely come from
-	 * a different slab cache than the main structure holding this
-	 * structure, we may very well fail.
-	 */
-	struct list_lru_node	node[MAX_NUMNODES];
+	struct list_lru_node	*node;
 	nodemask_t		active_nodes;
 };
 
+void list_lru_destroy(struct list_lru *lru);
 int list_lru_init(struct list_lru *lru);
 
 /**
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);