diff --git a/mm/mmap.c b/mm/mmap.c
index 405e0432c78e..e1e5c78b6c3c 100644
--- a/mm/mmap.c
+++ b/mm/mmap.c
@@ -1623,8 +1623,7 @@ unsigned long mmap_region(struct file *file, unsigned long addr,
 		vm_unacct_memory(charged);
 
 abort_munmap:
-	if (vms.nr_pages)
-		abort_munmap_vmas(&mas_detach, vms.closed_vm_ops);
+	vms_abort_munmap_vmas(&vms, &mas_detach);
 gather_failed:
 	validate_mm(mm);
 	return error;
diff --git a/mm/vma.c b/mm/vma.c
index 648c58da8ad4..d2d71d659d1e 100644
--- a/mm/vma.c
+++ b/mm/vma.c
@@ -878,7 +878,7 @@ int vms_gather_munmap_vmas(struct vma_munmap_struct *vms,
 munmap_gather_failed:
 end_split_failed:
 modify_vma_failed:
-	abort_munmap_vmas(mas_detach, /* closed = */ false);
+	reattach_vmas(mas_detach);
 start_split_failed:
 map_count_exceeded:
 	return error;
@@ -923,7 +923,7 @@ int do_vmi_align_munmap(struct vma_iterator *vmi, struct vm_area_struct *vma,
 	return 0;
 
 clear_tree_failed:
-	abort_munmap_vmas(&mas_detach, /* closed = */ false);
+	reattach_vmas(&mas_detach);
 gather_failed:
 	validate_mm(mm);
 	return error;
diff --git a/mm/vma.h b/mm/vma.h
index 64b44f5a0a11..37b4b5d00b99 100644
--- a/mm/vma.h
+++ b/mm/vma.h
@@ -82,6 +82,22 @@ int vma_expand(struct vma_iterator *vmi, struct vm_area_struct *vma,
 int vma_shrink(struct vma_iterator *vmi, struct vm_area_struct *vma,
 	       unsigned long start, unsigned long end, pgoff_t pgoff);
 
+static inline int vma_iter_store_gfp(struct vma_iterator *vmi,
+			struct vm_area_struct *vma, gfp_t gfp)
+
+{
+	if (vmi->mas.status != ma_start &&
+	    ((vmi->mas.index > vma->vm_start) || (vmi->mas.last < vma->vm_start)))
+		vma_iter_invalidate(vmi);
+
+	__mas_set_range(&vmi->mas, vma->vm_start, vma->vm_end - 1);
+	mas_store_gfp(&vmi->mas, vma, gfp);
+	if (unlikely(mas_is_err(&vmi->mas)))
+		return -ENOMEM;
+
+	return 0;
+}
+
 #ifdef CONFIG_MMU
 /*
  * init_vma_munmap() - Initializer wrapper for vma_munmap_struct
@@ -129,24 +145,60 @@ void vms_clean_up_area(struct vma_munmap_struct *vms,
 		struct ma_state *mas_detach, bool mm_wr_locked);
 
 /*
- * abort_munmap_vmas - Undo any munmap work and free resources
+ * reattach_vmas() - Undo any munmap work and free resources
+ * @mas_detach: The maple state with the detached maple tree
  *
  * Reattach any detached vmas and free up the maple tree used to track the vmas.
  */
-static inline void abort_munmap_vmas(struct ma_state *mas_detach, bool closed)
+static inline void reattach_vmas(struct ma_state *mas_detach)
 {
 	struct vm_area_struct *vma;
 
 	mas_set(mas_detach, 0);
-	mas_for_each(mas_detach, vma, ULONG_MAX) {
+	mas_for_each(mas_detach, vma, ULONG_MAX)
 		vma_mark_detached(vma, false);
-		if (closed && vma->vm_ops && vma->vm_ops->open)
-			vma->vm_ops->open(vma);
-	}
 
 	__mt_destroy(mas_detach->tree);
 }
 
+/*
+ * vms_abort_munmap_vmas() - Undo as much as possible from an aborted munmap()
+ * operation.
+ * @vms: The vma unmap structure
+ * @mas_detach: The maple state with the detached maple tree
+ *
+ * Reattach any detached vmas, free up the maple tree used to track the vmas.
+ * If that's not possible because the ptes are cleared (and vm_ops->closed() may
+ * have been called), then a NULL is written over the vmas and the vmas are
+ * removed (munmap() completed).
+ */
+static inline void vms_abort_munmap_vmas(struct vma_munmap_struct *vms,
+		struct ma_state *mas_detach)
+{
+	struct ma_state *mas = &vms->vmi->mas;
+	if (!vms->nr_pages)
+		return;
+
+	if (vms->clear_ptes)
+		return reattach_vmas(mas_detach);
+
+	/*
+	 * Aborting cannot just call the vm_ops open() because they are often
+	 * not symmetrical and state data has been lost.  Resort to the old
+	 * failure method of leaving a gap where the MAP_FIXED mapping failed.
+	 */
+	mas_set_range(mas, vms->start, vms->end - 1);
+	if (unlikely(mas_store_gfp(mas, NULL, GFP_KERNEL))) {
+		pr_warn_once("%s: (%d) Unable to abort munmap() operation\n",
+			     current->comm, current->pid);
+		/* Leaving vmas detached and in-tree may hamper recovery */
+		reattach_vmas(mas_detach);
+	} else {
+		/* Clean up the insertion of the unfortunate gap */
+		vms_complete_munmap_vmas(vms, mas_detach);
+	}
+}
+
 int
 do_vmi_align_munmap(struct vma_iterator *vmi, struct vm_area_struct *vma,
 		    struct mm_struct *mm, unsigned long start,
@@ -299,22 +351,6 @@ static inline struct vm_area_struct *vma_prev_limit(struct vma_iterator *vmi,
 	return mas_prev(&vmi->mas, min);
 }
 
-static inline int vma_iter_store_gfp(struct vma_iterator *vmi,
-			struct vm_area_struct *vma, gfp_t gfp)
-{
-	if (vmi->mas.status != ma_start &&
-	    ((vmi->mas.index > vma->vm_start) || (vmi->mas.last < vma->vm_start)))
-		vma_iter_invalidate(vmi);
-
-	__mas_set_range(&vmi->mas, vma->vm_start, vma->vm_end - 1);
-	mas_store_gfp(&vmi->mas, vma, gfp);
-	if (unlikely(mas_is_err(&vmi->mas)))
-		return -ENOMEM;
-
-	return 0;
-}
-
-
 /*
  * These three helpers classifies VMAs for virtual memory accounting.
  */