diff --git a/include/ck_queue.h b/include/ck_queue.h
index 59f9c60..990ab4b 100644
--- a/include/ck_queue.h
+++ b/include/ck_queue.h
@@ -180,6 +180,12 @@ struct {									\
 	ck_pr_store_ptr(&(head)->cslh_first, elm);				\
 } while (0)
 
+#define	CK_SLIST_INSERT_PREVPTR(prevp, slistelm, elm, field) do {		\
+	(elm)->field.csle_next = (slistelm);					\
+	ck_pr_fence_store();							\
+	ck_pr_store_ptr(prevp, elm);						\
+} while (0)
+
 #define CK_SLIST_REMOVE_AFTER(elm, field) do {					\
 	ck_pr_store_ptr(&(elm)->field.csle_next,				\
 	    (elm)->field.csle_next->field.csle_next);				\
@@ -201,6 +207,10 @@ struct {									\
 		(head)->cslh_first->field.csle_next);				\
 } while (0)
 
+#define CK_SLIST_REMOVE_PREVPTR(prevp, elm, field) do {				\
+	ck_pr_store_ptr(prevptr, (elm)->field.csle_next);			\
+} while (0)
+
 #define CK_SLIST_MOVE(head1, head2, field) do {					\
 	ck_pr_store_ptr(&(head1)->cslh_first, (head2)->cslh_first);		\
 } while (0)