On Sat, Jan 17, 2026 at 09:11:49PM +0800, Boqun Feng wrote: > In Rcu + RcuOld design, RcuBox is just a Box > because these two pointer types handle reclaim + accesses. How would that work? Dropping my RcuBox<_> must use kfree_rcu() or synchronize_rcu() or it is unsound. So it can't just be a Box. Alice