summaryrefslogtreecommitdiffstats
path: root/mm/slab.h
diff options
context:
space:
mode:
Diffstat (limited to 'mm/slab.h')
-rw-r--r--mm/slab.h15
1 files changed, 15 insertions, 0 deletions
diff --git a/mm/slab.h b/mm/slab.h
index a08f01016a3f..9631bb27c772 100644
--- a/mm/slab.h
+++ b/mm/slab.h
@@ -201,6 +201,11 @@ void __kmem_cache_free_bulk(struct kmem_cache *, size_t, void **);
int __kmem_cache_alloc_bulk(struct kmem_cache *, gfp_t, size_t, void **);
#if defined(CONFIG_MEMCG) && !defined(CONFIG_SLOB)
+
+/* List of all root caches. */
+extern struct list_head slab_root_caches;
+#define root_caches_node memcg_params.__root_caches_node
+
/*
* Iterate over all memcg caches of the given root cache. The caller must hold
* slab_mutex.
@@ -300,9 +305,14 @@ static __always_inline void memcg_uncharge_slab(struct page *page, int order,
}
extern void slab_init_memcg_params(struct kmem_cache *);
+extern void memcg_link_cache(struct kmem_cache *s);
#else /* CONFIG_MEMCG && !CONFIG_SLOB */
+/* If !memcg, all caches are root. */
+#define slab_root_caches slab_caches
+#define root_caches_node list
+
#define for_each_memcg_cache(iter, root) \
for ((void)(iter), (void)(root); 0; )
@@ -347,6 +357,11 @@ static inline void memcg_uncharge_slab(struct page *page, int order,
static inline void slab_init_memcg_params(struct kmem_cache *s)
{
}
+
+static inline void memcg_link_cache(struct kmem_cache *s)
+{
+}
+
#endif /* CONFIG_MEMCG && !CONFIG_SLOB */
static inline struct kmem_cache *cache_from_obj(struct kmem_cache *s, void *x)