diff --git a/mm/mmap.c b/mm/mmap.c
index 8ffe3f87f7ba..c0f9575493de 100644
--- a/mm/mmap.c
+++ b/mm/mmap.c
@@ -519,6 +519,7 @@ inline int vma_expand(struct ma_state *mas, struct vm_area_struct *vma,
 	struct anon_vma *anon_vma = vma->anon_vma;
 	struct file *file = vma->vm_file;
 	bool remove_next = false;
+	struct vm_area_struct *anon_dup = NULL;
 
 	if (next && (vma != next) && (end == next->vm_end)) {
 		remove_next = true;
@@ -530,6 +531,8 @@ inline int vma_expand(struct ma_state *mas, struct vm_area_struct *vma,
 			error = anon_vma_clone(vma, next);
 			if (error)
 				return error;
+
+			anon_dup = vma;
 		}
 	}
 
@@ -602,6 +605,9 @@ inline int vma_expand(struct ma_state *mas, struct vm_area_struct *vma,
 	return 0;
 
 nomem:
+	if (anon_dup)
+		unlink_anon_vmas(anon_dup);
+
 	return -ENOMEM;
 }
 
@@ -629,6 +635,7 @@ int __vma_adjust(struct vm_area_struct *vma, unsigned long start,
 	int remove_next = 0;
 	MA_STATE(mas, &mm->mm_mt, 0, 0);
 	struct vm_area_struct *exporter = NULL, *importer = NULL;
+	struct vm_area_struct *anon_dup = NULL;
 
 	if (next && !insert) {
 		if (end >= next->vm_end) {
@@ -709,11 +716,17 @@ int __vma_adjust(struct vm_area_struct *vma, unsigned long start,
 			error = anon_vma_clone(importer, exporter);
 			if (error)
 				return error;
+
+			anon_dup = importer;
 		}
 	}
 
-	if (mas_preallocate(&mas, vma, GFP_KERNEL))
+	if (mas_preallocate(&mas, vma, GFP_KERNEL)) {
+		if (anon_dup)
+			unlink_anon_vmas(anon_dup);
+
 		return -ENOMEM;
+	}
 
 	vma_adjust_trans_huge(orig_vma, start, end, adjust_next);
 	if (file) {