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authorJames Morris <james.morris@microsoft.com>2018-11-12 09:07:41 -0800
committerJames Morris <james.morris@microsoft.com>2018-11-12 09:07:41 -0800
commit26b76320a8a550472bbb8f42257df83fcb8d8df6 (patch)
tree8a5b569f4f070bf4971e24e7fccfe3004b8fc4ba /include/linux/memcontrol.h
parentf09c296ebf407f98f4ca70892e612b54484bf663 (diff)
parentccda4af0f4b92f7b4c308d3acc262f4a7e3affad (diff)
Merge tag 'v4.20-rc2' into next-general
Sync to Linux 4.20-rc2 for downstream developers.
Diffstat (limited to 'include/linux/memcontrol.h')
-rw-r--r--include/linux/memcontrol.h15
1 files changed, 13 insertions, 2 deletions
diff --git a/include/linux/memcontrol.h b/include/linux/memcontrol.h
index 652f602167df..7ab2120155a4 100644
--- a/include/linux/memcontrol.h
+++ b/include/linux/memcontrol.h
@@ -78,7 +78,7 @@ struct mem_cgroup_reclaim_cookie {
struct mem_cgroup_id {
int id;
- atomic_t ref;
+ refcount_t ref;
};
/*
@@ -1268,10 +1268,11 @@ struct kmem_cache *memcg_kmem_get_cache(struct kmem_cache *cachep);
void memcg_kmem_put_cache(struct kmem_cache *cachep);
int memcg_kmem_charge_memcg(struct page *page, gfp_t gfp, int order,
struct mem_cgroup *memcg);
+
+#ifdef CONFIG_MEMCG_KMEM
int memcg_kmem_charge(struct page *page, gfp_t gfp, int order);
void memcg_kmem_uncharge(struct page *page, int order);
-#ifdef CONFIG_MEMCG_KMEM
extern struct static_key_false memcg_kmem_enabled_key;
extern struct workqueue_struct *memcg_kmem_cache_wq;
@@ -1307,6 +1308,16 @@ extern int memcg_expand_shrinker_maps(int new_id);
extern void memcg_set_shrinker_bit(struct mem_cgroup *memcg,
int nid, int shrinker_id);
#else
+
+static inline int memcg_kmem_charge(struct page *page, gfp_t gfp, int order)
+{
+ return 0;
+}
+
+static inline void memcg_kmem_uncharge(struct page *page, int order)
+{
+}
+
#define for_each_memcg_cache_index(_idx) \
for (; NULL; )