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-rw-r--r--mm/slab.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/mm/slab.h b/mm/slab.h
index 620ceeddbe1a..a535033f7e9a 100644
--- a/mm/slab.h
+++ b/mm/slab.h
@@ -162,6 +162,8 @@ static inline const char *cache_name(struct kmem_cache *s)
static inline struct kmem_cache *cache_from_memcg(struct kmem_cache *s, int idx)
{
+ if (!s->memcg_params)
+ return NULL;
return s->memcg_params->memcg_caches[idx];
}