list_lru: per-node API

[GitHub/moto-9609/android_kernel_motorola_exynos9610.git] / mm / list_lru.c

diff --git a/mm/list_lru.c b/mm/list_lru.c
index e77c29f4c24311f39d4f9e30aa0f01de9486729d..86cb55464f71a892c7d765907ea4de5182102001 100644 (file)
--- a/mm/list_lru.c
+++ b/mm/list_lru.c
@@ -47,25 +47,22 @@ bool list_lru_del(struct list_lru *lru, struct list_head *item)
 }
 EXPORT_SYMBOL_GPL(list_lru_del);
 
-unsigned long list_lru_count(struct list_lru *lru)
+unsigned long
+list_lru_count_node(struct list_lru *lru, int nid)
 {
        unsigned long count = 0;
-       int nid;
-
-       for_each_node_mask(nid, lru->active_nodes) {
-               struct list_lru_node *nlru = &lru->node[nid];
+       struct list_lru_node *nlru = &lru->node[nid];
 
-               spin_lock(&nlru->lock);
-               WARN_ON_ONCE(nlru->nr_items < 0);
-               count += nlru->nr_items;
-               spin_unlock(&nlru->lock);
-       }
+       spin_lock(&nlru->lock);
+       WARN_ON_ONCE(nlru->nr_items < 0);
+       count += nlru->nr_items;
+       spin_unlock(&nlru->lock);
 
        return count;
 }
-EXPORT_SYMBOL_GPL(list_lru_count);
+EXPORT_SYMBOL_GPL(list_lru_count_node);
 
-static unsigned long
+unsigned long
 list_lru_walk_node(struct list_lru *lru, int nid, list_lru_walk_cb isolate,
                   void *cb_arg, unsigned long *nr_to_walk)
 {
@@ -115,22 +112,6 @@ restart:
 }
 EXPORT_SYMBOL_GPL(list_lru_walk_node);
 
-unsigned long list_lru_walk(struct list_lru *lru, list_lru_walk_cb isolate,
-                           void *cb_arg, unsigned long nr_to_walk)
-{
-       unsigned long isolated = 0;
-       int nid;
-
-       for_each_node_mask(nid, lru->active_nodes) {
-               isolated += list_lru_walk_node(lru, nid, isolate,
-                                              cb_arg, &nr_to_walk);
-               if (nr_to_walk <= 0)
-                       break;
-       }
-       return isolated;
-}
-EXPORT_SYMBOL_GPL(list_lru_walk);
-
 static unsigned long list_lru_dispose_all_node(struct list_lru *lru, int nid,
                                               list_lru_dispose_cb dispose)
 {