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-rw-r--r--mm/slab.c2
-rw-r--r--mm/slab.h5
-rw-r--r--mm/slab_common.c14
-rw-r--r--mm/slub.c2
4 files changed, 12 insertions, 11 deletions
diff --git a/mm/slab.c b/mm/slab.c
index 3521a351ceb5..badd98f7e2f1 100644
--- a/mm/slab.c
+++ b/mm/slab.c
@@ -1239,7 +1239,7 @@ void __init kmem_cache_init(void)
nr_node_ids * sizeof(struct kmem_cache_node *),
SLAB_HWCACHE_ALIGN, 0, 0);
list_add(&kmem_cache->list, &slab_caches);
- memcg_link_cache(kmem_cache);
+ memcg_link_cache(kmem_cache, NULL);
slab_state = PARTIAL;
/*
diff --git a/mm/slab.h b/mm/slab.h
index 739099af6cbb..86f7ede21203 100644
--- a/mm/slab.h
+++ b/mm/slab.h
@@ -289,7 +289,7 @@ 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);
+extern void memcg_link_cache(struct kmem_cache *s, struct mem_cgroup *memcg);
extern void slab_deactivate_memcg_cache_rcu_sched(struct kmem_cache *s,
void (*deact_fn)(struct kmem_cache *));
@@ -344,7 +344,8 @@ static inline void slab_init_memcg_params(struct kmem_cache *s)
{
}
-static inline void memcg_link_cache(struct kmem_cache *s)
+static inline void memcg_link_cache(struct kmem_cache *s,
+ struct mem_cgroup *memcg)
{
}
diff --git a/mm/slab_common.c b/mm/slab_common.c
index a09bb10aa026..07ee4189b40c 100644
--- a/mm/slab_common.c
+++ b/mm/slab_common.c
@@ -140,13 +140,12 @@ void slab_init_memcg_params(struct kmem_cache *s)
}
static int init_memcg_params(struct kmem_cache *s,
- struct mem_cgroup *memcg, struct kmem_cache *root_cache)
+ struct kmem_cache *root_cache)
{
struct memcg_cache_array *arr;
if (root_cache) {
s->memcg_params.root_cache = root_cache;
- s->memcg_params.memcg = memcg;
INIT_LIST_HEAD(&s->memcg_params.children_node);
INIT_LIST_HEAD(&s->memcg_params.kmem_caches_node);
return 0;
@@ -221,11 +220,12 @@ int memcg_update_all_caches(int num_memcgs)
return ret;
}
-void memcg_link_cache(struct kmem_cache *s)
+void memcg_link_cache(struct kmem_cache *s, struct mem_cgroup *memcg)
{
if (is_root_cache(s)) {
list_add(&s->root_caches_node, &slab_root_caches);
} else {
+ s->memcg_params.memcg = memcg;
list_add(&s->memcg_params.children_node,
&s->memcg_params.root_cache->memcg_params.children);
list_add(&s->memcg_params.kmem_caches_node,
@@ -244,7 +244,7 @@ static void memcg_unlink_cache(struct kmem_cache *s)
}
#else
static inline int init_memcg_params(struct kmem_cache *s,
- struct mem_cgroup *memcg, struct kmem_cache *root_cache)
+ struct kmem_cache *root_cache)
{
return 0;
}
@@ -384,7 +384,7 @@ static struct kmem_cache *create_cache(const char *name,
s->useroffset = useroffset;
s->usersize = usersize;
- err = init_memcg_params(s, memcg, root_cache);
+ err = init_memcg_params(s, root_cache);
if (err)
goto out_free_cache;
@@ -394,7 +394,7 @@ static struct kmem_cache *create_cache(const char *name,
s->refcount = 1;
list_add(&s->list, &slab_caches);
- memcg_link_cache(s);
+ memcg_link_cache(s, memcg);
out:
if (err)
return ERR_PTR(err);
@@ -997,7 +997,7 @@ struct kmem_cache *__init create_kmalloc_cache(const char *name,
create_boot_cache(s, name, size, flags, useroffset, usersize);
list_add(&s->list, &slab_caches);
- memcg_link_cache(s);
+ memcg_link_cache(s, NULL);
s->refcount = 1;
return s;
}
diff --git a/mm/slub.c b/mm/slub.c
index 5e217653286c..e1402ed19e74 100644
--- a/mm/slub.c
+++ b/mm/slub.c
@@ -4199,7 +4199,7 @@ static struct kmem_cache * __init bootstrap(struct kmem_cache *static_cache)
}
slab_init_memcg_params(s);
list_add(&s->list, &slab_caches);
- memcg_link_cache(s);
+ memcg_link_cache(s, NULL);
return s;
}