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-rw-r--r--mm/percpu-internal.h6
1 files changed, 4 insertions, 2 deletions
diff --git a/mm/percpu-internal.h b/mm/percpu-internal.h
index 70b1ea23f4d2..f9847c131998 100644
--- a/mm/percpu-internal.h
+++ b/mm/percpu-internal.h
@@ -4,6 +4,7 @@
#include <linux/types.h>
#include <linux/percpu.h>
+#include <linux/memcontrol.h>
/*
* pcpu_block_md is the metadata block struct.
@@ -118,14 +119,15 @@ static inline int pcpu_chunk_map_bits(struct pcpu_chunk *chunk)
* @size: size of area to allocate in bytes
*
* For each accounted object there is an extra space which is used to store
- * obj_cgroup membership. Charge it too.
+ * obj_cgroup membership if kmemcg is not disabled. Charge it too.
*/
static inline size_t pcpu_obj_full_size(size_t size)
{
size_t extra_size = 0;
#ifdef CONFIG_MEMCG_KMEM
- extra_size += size / PCPU_MIN_ALLOC_SIZE * sizeof(struct obj_cgroup *);
+ if (!mem_cgroup_kmem_disabled())
+ extra_size += size / PCPU_MIN_ALLOC_SIZE * sizeof(struct obj_cgroup *);
#endif
return size * num_possible_cpus() + extra_size;