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Diffstat (limited to 'include/linux/list_lru.h')
-rw-r--r--include/linux/list_lru.h17
1 files changed, 8 insertions, 9 deletions
diff --git a/include/linux/list_lru.h b/include/linux/list_lru.h
index 1b5fceb565df..b35968ee9fb5 100644
--- a/include/linux/list_lru.h
+++ b/include/linux/list_lru.h
@@ -11,6 +11,7 @@
#include <linux/list.h>
#include <linux/nodemask.h>
#include <linux/shrinker.h>
+#include <linux/xarray.h>
struct mem_cgroup;
@@ -33,8 +34,8 @@ struct list_lru_one {
struct list_lru_memcg {
struct rcu_head rcu;
- /* array of per cgroup lists, indexed by memcg_cache_id */
- struct list_lru_one *lru[];
+ /* array of per cgroup per node lists, indexed by node id */
+ struct list_lru_one node[];
};
struct list_lru_node {
@@ -42,11 +43,7 @@ struct list_lru_node {
spinlock_t lock;
/* global list, used for the root cgroup in cgroup aware lrus */
struct list_lru_one lru;
-#ifdef CONFIG_MEMCG_KMEM
- /* for cgroup aware lrus points to per cgroup lists, otherwise NULL */
- struct list_lru_memcg __rcu *memcg_lrus;
-#endif
- long nr_items;
+ long nr_items;
} ____cacheline_aligned_in_smp;
struct list_lru {
@@ -55,6 +52,7 @@ struct list_lru {
struct list_head list;
int shrinker_id;
bool memcg_aware;
+ struct xarray xa;
#endif
};
@@ -69,8 +67,9 @@ int __list_lru_init(struct list_lru *lru, bool memcg_aware,
#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, struct mem_cgroup *dst_memcg);
+int memcg_list_lru_alloc(struct mem_cgroup *memcg, struct list_lru *lru,
+ gfp_t gfp);
+void memcg_reparent_list_lrus(struct mem_cgroup *memcg, struct mem_cgroup *parent);
/**
* list_lru_add: add an element to the lru list's tail