diff --git a/share/man/man9/SYSINIT.9 b/share/man/man9/SYSINIT.9
--- a/share/man/man9/SYSINIT.9
+++ b/share/man/man9/SYSINIT.9
@@ -62,6 +62,7 @@
 struct sysinit {
 	enum sysinit_sub_id subsystem;	/* subsystem identifier*/
 	enum sysinit_elem_order	order;	/* init order within subsystem*/
+	SLIST_ENTRY(sysinit) next;	/* singly-linked list */
 	sysinit_cfunc_t func;		/* function             */
 	const void	*udata;		/* multiplexer/argument */
 };
diff --git a/sys/sys/kernel.h b/sys/sys/kernel.h
--- a/sys/sys/kernel.h
+++ b/sys/sys/kernel.h
@@ -51,7 +51,7 @@
 
 #ifdef _KERNEL
 
-/* for intrhook below */
+/* for intrhook and sysinit linked list below */
 #include <sys/queue.h>
 
 /* for timestamping SYSINITs; other files may assume this is included here */
@@ -221,6 +221,7 @@
 struct sysinit {
 	enum sysinit_sub_id	subsystem;	/* subsystem identifier*/
 	enum sysinit_elem_order	order;		/* init order within subsystem*/
+	SLIST_ENTRY(sysinit)	next;		/* singly-linked list */
 	sysinit_cfunc_t func;			/* function		*/
 	const void	*udata;			/* multiplexer/argument */
 };
@@ -261,6 +262,7 @@
 	static struct sysinit uniquifier ## _sys_init = {	\
 		subsystem,					\
 		order,						\
+		{ NULL },					\
 		sysinit_tslog_shim,				\
 		&uniquifier ## _sys_init_tslog			\
 	};							\
@@ -270,6 +272,7 @@
 	static struct sysinit uniquifier ## _sys_init = {	\
 		subsystem,					\
 		order,						\
+		{ NULL },					\
 		func,						\
 		(ident)						\
 	};							\
@@ -287,6 +290,7 @@
 	static struct sysinit uniquifier ## _sys_uninit = {	\
 		subsystem,					\
 		order,						\
+		{ NULL },					\
 		func,						\
 		(ident)						\
 	};							\