#include "slab.h"
#ifdef CONFIG_MEMCG_KMEM
-static LIST_HEAD(list_lrus);
+static LIST_HEAD(memcg_list_lrus);
static DEFINE_MUTEX(list_lrus_mutex);
+static inline bool list_lru_memcg_aware(struct list_lru *lru)
+{
+ return lru->memcg_aware;
+}
+
static void list_lru_register(struct list_lru *lru)
{
+ if (!list_lru_memcg_aware(lru))
+ return;
+
mutex_lock(&list_lrus_mutex);
- list_add(&lru->list, &list_lrus);
+ list_add(&lru->list, &memcg_list_lrus);
mutex_unlock(&list_lrus_mutex);
}
static void list_lru_unregister(struct list_lru *lru)
{
+ if (!list_lru_memcg_aware(lru))
+ return;
+
mutex_lock(&list_lrus_mutex);
list_del(&lru->list);
mutex_unlock(&list_lrus_mutex);
return lru->shrinker_id;
}
-static inline bool list_lru_memcg_aware(struct list_lru *lru)
-{
- return lru->memcg_aware;
-}
-
static inline struct list_lru_one *
list_lru_from_memcg_idx(struct list_lru_node *nlru, int idx)
{
{
int i;
- if (!list_lru_memcg_aware(lru))
- return 0;
-
for_each_node(i) {
if (memcg_update_list_lru_node(&lru->node[i],
old_size, new_size))
{
int i;
- if (!list_lru_memcg_aware(lru))
- return;
-
for_each_node(i)
memcg_cancel_update_list_lru_node(&lru->node[i],
old_size, new_size);
int old_size = memcg_nr_cache_ids;
mutex_lock(&list_lrus_mutex);
- list_for_each_entry(lru, &list_lrus, list) {
+ list_for_each_entry(lru, &memcg_list_lrus, list) {
ret = memcg_update_list_lru(lru, old_size, new_size);
if (ret)
goto fail;
mutex_unlock(&list_lrus_mutex);
return ret;
fail:
- list_for_each_entry_continue_reverse(lru, &list_lrus, list)
+ list_for_each_entry_continue_reverse(lru, &memcg_list_lrus, list)
memcg_cancel_update_list_lru(lru, old_size, new_size);
goto out;
}
{
int i;
- if (!list_lru_memcg_aware(lru))
- return;
-
for_each_node(i)
memcg_drain_list_lru_node(lru, i, src_idx, dst_memcg);
}
struct list_lru *lru;
mutex_lock(&list_lrus_mutex);
- list_for_each_entry(lru, &list_lrus, list)
+ list_for_each_entry(lru, &memcg_list_lrus, list)
memcg_drain_list_lru(lru, src_idx, dst_memcg);
mutex_unlock(&list_lrus_mutex);
}