Hello, On Mon, Oct 03, 2022 at 03:39:02PM -0400, Waiman Long wrote: > There are 123 instances where llist_head is referenced in arch, driver, > filesystem and kernel code. Going through all these to make sure that it > will all work will be a major effort. I think it will be safer to allow both > NULL and the sentinel node as the initializers and gradually convert them to > use the proper llist APIs over time to complete the conversion. I am sorry > that I can't spend that much time upfront for this conversion effort. I see. Oh well, thanks for taking a look. -- tejun