Index: sys/kern/kern_sharedpage.c
===================================================================
--- sys/kern/kern_sharedpage.c
+++ sys/kern/kern_sharedpage.c
@@ -310,7 +310,7 @@
 #endif
 	u_int flags;
 
-	sv = (struct sysentvec *)param;
+	sv = param;
 	MPASS(sv->sv_shared_page_obj == NULL);
 	MPASS(sv->sv_shared_page_base != 0);