diff --git a/drivers/gpu/drm/ttm/ttm_bo.c b/drivers/gpu/drm/ttm/ttm_bo.c
index 7474679a2364..4d87ee98467f 100644
--- a/drivers/gpu/drm/ttm/ttm_bo.c
+++ b/drivers/gpu/drm/ttm/ttm_bo.c
@@ -1615,7 +1615,7 @@ int ttm_bo_device_init(struct ttm_bo_device *bdev,
 
 	bdev->driver = driver;
 
-	memset(bdev->man, 0, sizeof(bdev->man));
+	memset(bdev->man_priv, 0, sizeof(bdev->man_priv));
 
 	ttm_bo_init_sysman(bdev);
 
diff --git a/include/drm/ttm/ttm_bo_driver.h b/include/drm/ttm/ttm_bo_driver.h
index c8ea5eab719d..f97c047b6a3a 100644
--- a/include/drm/ttm/ttm_bo_driver.h
+++ b/include/drm/ttm/ttm_bo_driver.h
@@ -415,7 +415,10 @@ struct ttm_bo_device {
 	 */
 	struct list_head device_list;
 	struct ttm_bo_driver *driver;
-	struct ttm_mem_type_manager man[TTM_NUM_MEM_TYPES];
+	/*
+	 * access via ttm_manager_type.
+	 */
+	struct ttm_mem_type_manager man_priv[TTM_NUM_MEM_TYPES];
 
 	/*
 	 * Protected by internal locks.
@@ -447,7 +450,7 @@ struct ttm_bo_device {
 static inline struct ttm_mem_type_manager *ttm_manager_type(struct ttm_bo_device *bdev,
 							    int mem_type)
 {
-	return &bdev->man[mem_type];
+	return &bdev->man_priv[mem_type];
 }
 
 /**