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-rw-r--r--fs/super.c4
-rw-r--r--include/linux/list_lru.h14
-rw-r--r--mm/list_lru.c11
-rw-r--r--mm/workingset.c3
4 files changed, 23 insertions, 9 deletions
diff --git a/fs/super.c b/fs/super.c
index 78227c4ddb21..f5f96e52e0cd 100644
--- a/fs/super.c
+++ b/fs/super.c
@@ -261,9 +261,9 @@ static struct super_block *alloc_super(struct file_system_type *type, int flags,
s->s_shrink.flags = SHRINKER_NUMA_AWARE | SHRINKER_MEMCG_AWARE;
if (prealloc_shrinker(&s->s_shrink))
goto fail;
- if (list_lru_init_memcg(&s->s_dentry_lru))
+ if (list_lru_init_memcg(&s->s_dentry_lru, &s->s_shrink))
goto fail;
- if (list_lru_init_memcg(&s->s_inode_lru))
+ if (list_lru_init_memcg(&s->s_inode_lru, &s->s_shrink))
goto fail;
return s;
diff --git a/include/linux/list_lru.h b/include/linux/list_lru.h
index 2d23b5b745be..9e75bb33766b 100644
--- a/include/linux/list_lru.h
+++ b/include/linux/list_lru.h
@@ -53,16 +53,20 @@ struct list_lru {
struct list_lru_node *node;
#ifdef CONFIG_MEMCG_KMEM
struct list_head list;
+ int shrinker_id;
#endif
};
void list_lru_destroy(struct list_lru *lru);
int __list_lru_init(struct list_lru *lru, bool memcg_aware,
- struct lock_class_key *key);
-
-#define list_lru_init(lru) __list_lru_init((lru), false, NULL)
-#define list_lru_init_key(lru, key) __list_lru_init((lru), false, (key))
-#define list_lru_init_memcg(lru) __list_lru_init((lru), true, NULL)
+ struct lock_class_key *key, struct shrinker *shrinker);
+
+#define list_lru_init(lru) \
+ __list_lru_init((lru), false, NULL, NULL)
+#define list_lru_init_key(lru, key) \
+ __list_lru_init((lru), false, (key), NULL)
+#define list_lru_init_memcg(lru, shrinker) \
+ __list_lru_init((lru), true, NULL, shrinker)
int memcg_update_all_list_lrus(int num_memcgs);
void memcg_drain_all_list_lrus(int src_idx, int dst_idx);
diff --git a/mm/list_lru.c b/mm/list_lru.c
index c5217d84c6e1..5aebbb9b2f5b 100644
--- a/mm/list_lru.c
+++ b/mm/list_lru.c
@@ -546,12 +546,18 @@ static void memcg_destroy_list_lru(struct list_lru *lru)
#endif /* CONFIG_MEMCG_KMEM */
int __list_lru_init(struct list_lru *lru, bool memcg_aware,
- struct lock_class_key *key)
+ struct lock_class_key *key, struct shrinker *shrinker)
{
int i;
size_t size = sizeof(*lru->node) * nr_node_ids;
int err = -ENOMEM;
+#ifdef CONFIG_MEMCG_KMEM
+ if (shrinker)
+ lru->shrinker_id = shrinker->id;
+ else
+ lru->shrinker_id = -1;
+#endif
memcg_get_cache_ids();
lru->node = kzalloc(size, GFP_KERNEL);
@@ -594,6 +600,9 @@ void list_lru_destroy(struct list_lru *lru)
kfree(lru->node);
lru->node = NULL;
+#ifdef CONFIG_MEMCG_KMEM
+ lru->shrinker_id = -1;
+#endif
memcg_put_cache_ids();
}
EXPORT_SYMBOL_GPL(list_lru_destroy);
diff --git a/mm/workingset.c b/mm/workingset.c
index 4e0b2523aae2..cd0b2ae615e4 100644
--- a/mm/workingset.c
+++ b/mm/workingset.c
@@ -526,7 +526,8 @@ static int __init workingset_init(void)
ret = prealloc_shrinker(&workingset_shadow_shrinker);
if (ret)
goto err;
- ret = __list_lru_init(&shadow_nodes, true, &shadow_nodes_key);
+ ret = __list_lru_init(&shadow_nodes, true, &shadow_nodes_key,
+ &workingset_shadow_shrinker);
if (ret)
goto err_list_lru;
register_shrinker_prepared(&workingset_shadow_shrinker);