diff options
Diffstat (limited to 'mm')
| -rw-r--r-- | mm/list_lru.c | 14 |
1 files changed, 13 insertions, 1 deletions
diff --git a/mm/list_lru.c b/mm/list_lru.c index f91c2418857..72467914b85 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); |