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-rw-r--r--mm/slab.h29
1 files changed, 29 insertions, 0 deletions
diff --git a/mm/slab.h b/mm/slab.h
index 6bd4c353704f..863e67b8c8c9 100644
--- a/mm/slab.h
+++ b/mm/slab.h
@@ -192,6 +192,26 @@ static inline struct kmem_cache *memcg_root_cache(struct kmem_cache *s)
return s;
return s->memcg_params->root_cache;
}
+
+static __always_inline int memcg_charge_slab(struct kmem_cache *s,
+ gfp_t gfp, int order)
+{
+ if (!memcg_kmem_enabled())
+ return 0;
+ if (is_root_cache(s))
+ return 0;
+ return memcg_charge_kmem(s->memcg_params->memcg, gfp,
+ PAGE_SIZE << order);
+}
+
+static __always_inline void memcg_uncharge_slab(struct kmem_cache *s, int order)
+{
+ if (!memcg_kmem_enabled())
+ return;
+ if (is_root_cache(s))
+ return;
+ memcg_uncharge_kmem(s->memcg_params->memcg, PAGE_SIZE << order);
+}
#else
static inline bool is_root_cache(struct kmem_cache *s)
{
@@ -227,6 +247,15 @@ static inline struct kmem_cache *memcg_root_cache(struct kmem_cache *s)
{
return s;
}
+
+static inline int memcg_charge_slab(struct kmem_cache *s, gfp_t gfp, int order)
+{
+ return 0;
+}
+
+static inline void memcg_uncharge_slab(struct kmem_cache *s, int order)
+{
+}
#endif
static inline struct kmem_cache *cache_from_obj(struct kmem_cache *s, void *x)