Index: head/sys/arm64/arm64/pmap.c
===================================================================
--- head/sys/arm64/arm64/pmap.c
+++ head/sys/arm64/arm64/pmap.c
@@ -4784,6 +4784,7 @@
 	 * If the page table page is new, initialize it.
 	 */
 	if (ml3->wire_count == 1) {
+		ml3->wire_count = NL3PG;
 		for (i = 0; i < Ln_ENTRIES; i++) {
 			l3[i] = newl3 | phys;
 			phys += L3_SIZE;