diff --git a/include/linux/memcontrol.h b/include/linux/memcontrol.h
index e44ee24d7f00..389865448a1c 100644
--- a/include/linux/memcontrol.h
+++ b/include/linux/memcontrol.h
@@ -10,6 +10,7 @@
 
 #ifndef _LINUX_MEMCONTROL_H
 #define _LINUX_MEMCONTROL_H
+#include <linux/android_kabi.h>
 #include <linux/cgroup.h>
 #include <linux/vm_event_item.h>
 #include <linux/hardirq.h>
@@ -113,6 +114,8 @@ struct mem_cgroup_per_node {
 	CACHELINE_PADDING(_pad2_);
 	unsigned long		lru_zone_size[MAX_NR_ZONES][NR_LRU_LISTS];
 	struct mem_cgroup_reclaim_iter	iter;
+
+	ANDROID_BACKPORT_RESERVE(1);
 };
 
 struct mem_cgroup_threshold {
@@ -323,6 +326,7 @@ struct mem_cgroup {
 	spinlock_t event_list_lock;
 #endif /* CONFIG_MEMCG_V1 */
 
+	ANDROID_BACKPORT_RESERVE(1);
 	ANDROID_OEM_DATA_ARRAY(1, 2);
 
 	struct mem_cgroup_per_node *nodeinfo[];