On Fri, Dec 15, 2023 at 10:35:47PM -0500, Kent Overstreet wrote: > - INIT_HLIST_NODE(¬ifier->link); > + /* INIT_HLIST_NODE() open coded, to avoid dependency on list.h */ > + notifier->link.next = NULL; > + notifier->link.pprev = NULL; Arguably INIT_HLIST_NODE() belongs in types.h -- we already have RCUREF_INIT() and ATOMIC_INIT() in there.