diff --git a/include/linux/memcontrol.h b/include/linux/memcontrol.h
index 7403dd5926eb..83c8327455d8 100644
--- a/include/linux/memcontrol.h
+++ b/include/linux/memcontrol.h
@@ -1121,9 +1121,9 @@ static inline void memcg_memory_event_mm(struct mm_struct *mm,
 
 void split_page_memcg(struct page *head, int old_order, int new_order);
 
-unsigned long mem_cgroup_soft_limit_reclaim(pg_data_t *pgdat, int order,
-						gfp_t gfp_mask,
-						unsigned long *total_scanned);
+unsigned long memcg1_soft_limit_reclaim(pg_data_t *pgdat, int order,
+					gfp_t gfp_mask,
+					unsigned long *total_scanned);
 
 #else /* CONFIG_MEMCG */
 
@@ -1572,9 +1572,9 @@ static inline void split_page_memcg(struct page *head, int old_order, int new_or
 }
 
 static inline
-unsigned long mem_cgroup_soft_limit_reclaim(pg_data_t *pgdat, int order,
-					    gfp_t gfp_mask,
-					    unsigned long *total_scanned)
+unsigned long memcg1_soft_limit_reclaim(pg_data_t *pgdat, int order,
+					gfp_t gfp_mask,
+					unsigned long *total_scanned)
 {
 	return 0;
 }
diff --git a/mm/memcontrol-v1.c b/mm/memcontrol-v1.c
index 2ccb8406fa84..68e2f1a718d3 100644
--- a/mm/memcontrol-v1.c
+++ b/mm/memcontrol-v1.c
@@ -100,7 +100,7 @@ static unsigned long soft_limit_excess(struct mem_cgroup *memcg)
 	return excess;
 }
 
-void mem_cgroup_update_tree(struct mem_cgroup *memcg, int nid)
+void memcg1_update_tree(struct mem_cgroup *memcg, int nid)
 {
 	unsigned long excess;
 	struct mem_cgroup_per_node *mz;
@@ -143,7 +143,7 @@ void mem_cgroup_update_tree(struct mem_cgroup *memcg, int nid)
 	}
 }
 
-void mem_cgroup_remove_from_trees(struct mem_cgroup *memcg)
+void memcg1_remove_from_trees(struct mem_cgroup *memcg)
 {
 	struct mem_cgroup_tree_per_node *mctz;
 	struct mem_cgroup_per_node *mz;
@@ -243,7 +243,7 @@ static int mem_cgroup_soft_reclaim(struct mem_cgroup *root_memcg,
 	return total;
 }
 
-unsigned long mem_cgroup_soft_limit_reclaim(pg_data_t *pgdat, int order,
+unsigned long memcg1_soft_limit_reclaim(pg_data_t *pgdat, int order,
 					    gfp_t gfp_mask,
 					    unsigned long *total_scanned)
 {
diff --git a/mm/memcontrol-v1.h b/mm/memcontrol-v1.h
index 4da6fa561c6d..e37bc7e8d955 100644
--- a/mm/memcontrol-v1.h
+++ b/mm/memcontrol-v1.h
@@ -3,8 +3,8 @@
 #ifndef __MM_MEMCONTROL_V1_H
 #define __MM_MEMCONTROL_V1_H
 
-void mem_cgroup_update_tree(struct mem_cgroup *memcg, int nid);
-void mem_cgroup_remove_from_trees(struct mem_cgroup *memcg);
+void memcg1_update_tree(struct mem_cgroup *memcg, int nid);
+void memcg1_remove_from_trees(struct mem_cgroup *memcg);
 
 static inline void memcg1_soft_limit_reset(struct mem_cgroup *memcg)
 {
diff --git a/mm/memcontrol.c b/mm/memcontrol.c
index 003e944f34ea..3479e1af12d5 100644
--- a/mm/memcontrol.c
+++ b/mm/memcontrol.c
@@ -1012,7 +1012,7 @@ static void memcg_check_events(struct mem_cgroup *memcg, int nid)
 						MEM_CGROUP_TARGET_SOFTLIMIT);
 		mem_cgroup_threshold(memcg);
 		if (unlikely(do_softlimit))
-			mem_cgroup_update_tree(memcg, nid);
+			memcg1_update_tree(memcg, nid);
 	}
 }
 
@@ -5610,7 +5610,7 @@ static void mem_cgroup_css_free(struct cgroup_subsys_state *css)
 
 	vmpressure_cleanup(&memcg->vmpressure);
 	cancel_work_sync(&memcg->high_work);
-	mem_cgroup_remove_from_trees(memcg);
+	memcg1_remove_from_trees(memcg);
 	free_shrinker_info(memcg);
 	mem_cgroup_free(memcg);
 }
diff --git a/mm/vmscan.c b/mm/vmscan.c
index 900bad16e506..3d4c681c6d40 100644
--- a/mm/vmscan.c
+++ b/mm/vmscan.c
@@ -6186,9 +6186,9 @@ static void shrink_zones(struct zonelist *zonelist, struct scan_control *sc)
 			 * and balancing, not for a memcg's limit.
 			 */
 			nr_soft_scanned = 0;
-			nr_soft_reclaimed = mem_cgroup_soft_limit_reclaim(zone->zone_pgdat,
-						sc->order, sc->gfp_mask,
-						&nr_soft_scanned);
+			nr_soft_reclaimed = memcg1_soft_limit_reclaim(zone->zone_pgdat,
+								      sc->order, sc->gfp_mask,
+								      &nr_soft_scanned);
 			sc->nr_reclaimed += nr_soft_reclaimed;
 			sc->nr_scanned += nr_soft_scanned;
 			/* need some check for avoid more shrink_zone() */
@@ -6952,8 +6952,8 @@ static int balance_pgdat(pg_data_t *pgdat, int order, int highest_zoneidx)
 		/* Call soft limit reclaim before calling shrink_node. */
 		sc.nr_scanned = 0;
 		nr_soft_scanned = 0;
-		nr_soft_reclaimed = mem_cgroup_soft_limit_reclaim(pgdat, sc.order,
-						sc.gfp_mask, &nr_soft_scanned);
+		nr_soft_reclaimed = memcg1_soft_limit_reclaim(pgdat, sc.order,
+							      sc.gfp_mask, &nr_soft_scanned);
 		sc.nr_reclaimed += nr_soft_reclaimed;
 
 		/*
