diff --git a/mm/hugetlb.c b/mm/hugetlb.c
index 1301ba7b2c9a..8113879f741e 100644
--- a/mm/hugetlb.c
+++ b/mm/hugetlb.c
@@ -296,6 +296,7 @@ void hugetlb_vma_lock_write(struct vm_area_struct *vma)
 		down_write(&vma_lock->rw_sema);
 	} else if (__vma_private_lock(vma)) {
 		struct resv_map *resv_map = vma_resv_map(vma);
+		printk("%p, %p, %s\n", vma, resv_map, __func__);
 
 		down_write(&resv_map->rw_sema);
 	}
@@ -309,6 +310,7 @@ void hugetlb_vma_unlock_write(struct vm_area_struct *vma)
 		up_write(&vma_lock->rw_sema);
 	} else if (__vma_private_lock(vma)) {
 		struct resv_map *resv_map = vma_resv_map(vma);
+		printk("%p, %p, %s\n", vma, resv_map, __func__);
 
 		up_write(&resv_map->rw_sema);
 	}
@@ -1097,6 +1099,7 @@ struct resv_map *resv_map_alloc(void)
 		return NULL;
 	}
 
+	printk("%p, %s\n", resv_map, __func__);
 	kref_init(&resv_map->refs);
 	spin_lock_init(&resv_map->lock);
 	INIT_LIST_HEAD(&resv_map->regions);
@@ -1135,6 +1138,7 @@ void resv_map_release(struct kref *ref)
 
 	VM_BUG_ON(resv_map->adds_in_progress);
 
+	printk("%p, %s\n", resv_map, __func__);
 	kfree(resv_map);
 }
 
@@ -6749,6 +6753,7 @@ bool hugetlb_reserve_pages(struct inode *inode,
 		chg = region_chg(resv_map, from, to, &regions_needed);
 	} else {
 		/* Private mapping. */
+		printk("%p, %s\n", vma, __func__);
 		resv_map = resv_map_alloc();
 		if (!resv_map)
 			goto out_err;