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-rw-r--r--mm/memcontrol.c10
1 files changed, 6 insertions, 4 deletions
diff --git a/mm/memcontrol.c b/mm/memcontrol.c
index a32d83c2e35..f3009b4bae5 100644
--- a/mm/memcontrol.c
+++ b/mm/memcontrol.c
@@ -3012,7 +3012,8 @@ int memcg_update_cache_size(struct kmem_cache *s, int num_groups)
return 0;
}
-int memcg_register_cache(struct mem_cgroup *memcg, struct kmem_cache *s)
+int memcg_register_cache(struct mem_cgroup *memcg, struct kmem_cache *s,
+ struct kmem_cache *root_cache)
{
size_t size = sizeof(struct memcg_cache_params);
@@ -3026,8 +3027,10 @@ int memcg_register_cache(struct mem_cgroup *memcg, struct kmem_cache *s)
if (!s->memcg_params)
return -ENOMEM;
- if (memcg)
+ if (memcg) {
s->memcg_params->memcg = memcg;
+ s->memcg_params->root_cache = root_cache;
+ }
return 0;
}
@@ -3186,7 +3189,7 @@ static struct kmem_cache *kmem_cache_dup(struct mem_cgroup *memcg,
return NULL;
new = kmem_cache_create_memcg(memcg, name, s->object_size, s->align,
- (s->flags & ~SLAB_PANIC), s->ctor);
+ (s->flags & ~SLAB_PANIC), s->ctor, s);
if (new)
new->allocflags |= __GFP_KMEMCG;
@@ -3226,7 +3229,6 @@ static struct kmem_cache *memcg_create_kmem_cache(struct mem_cgroup *memcg,
}
mem_cgroup_get(memcg);
- new_cachep->memcg_params->root_cache = cachep;
atomic_set(&new_cachep->memcg_params->nr_pages , 0);
cachep->memcg_params->memcg_caches[idx] = new_cachep;