diff --git a/fs/ext4/file.c b/fs/ext4/file.c
index 441ef8a6a2a6..da93b001d4f2 100644
--- a/fs/ext4/file.c
+++ b/fs/ext4/file.c
@@ -774,6 +774,7 @@ static const struct vm_operations_struct ext4_file_vm_ops = {
 	.fault		= filemap_fault,
 	.map_pages	= filemap_map_pages,
 	.page_mkwrite   = ext4_page_mkwrite,
+	.speculative	= true,
 };
 
 static int ext4_file_mmap(struct file *file, struct vm_area_struct *vma)