Index: sys/amd64/amd64/pmap.c
===================================================================
--- sys/amd64/amd64/pmap.c
+++ sys/amd64/amd64/pmap.c
@@ -3947,12 +3947,14 @@
 	while ((pv = TAILQ_FIRST(&m->md.pv_list)) != NULL) {
 		pmap = PV_PMAP(pv);
 		if (!PMAP_TRYLOCK(pmap)) {
-			pvh_gen = pvh->pv_gen;
+			if ((m->flags & PG_FICTITIOUS) == 0)
+				pvh_gen = pvh->pv_gen;
 			md_gen = m->md.pv_gen;
 			rw_wunlock(lock);
 			PMAP_LOCK(pmap);
 			rw_wlock(lock);
-			if (pvh_gen != pvh->pv_gen || md_gen != m->md.pv_gen) {
+			if (((m->flags & PG_FICTITIOUS) == 0 &&
+			    pvh_gen != pvh->pv_gen) || md_gen != m->md.pv_gen) {
 				rw_wunlock(lock);
 				PMAP_UNLOCK(pmap);
 				goto retry;
@@ -5775,13 +5777,14 @@
 	TAILQ_FOREACH(pv, &m->md.pv_list, pv_next) {
 		pmap = PV_PMAP(pv);
 		if (!PMAP_TRYLOCK(pmap)) {
-			pvh_gen = pvh->pv_gen;
+			if ((m->flags & PG_FICTITIOUS) == 0)
+				pvh_gen = pvh->pv_gen;
 			md_gen = m->md.pv_gen;
 			rw_wunlock(lock);
 			PMAP_LOCK(pmap);
 			rw_wlock(lock);
-			if (pvh_gen != pvh->pv_gen ||
-			    md_gen != m->md.pv_gen) {
+			if (((m->flags & PG_FICTITIOUS) == 0 &&
+			    pvh_gen != pvh->pv_gen) || md_gen != m->md.pv_gen) {
 				PMAP_UNLOCK(pmap);
 				rw_wunlock(lock);
 				goto retry_pv_loop;
@@ -5985,12 +5988,14 @@
 			pvf = pv;
 		pmap = PV_PMAP(pv);
 		if (!PMAP_TRYLOCK(pmap)) {
-			pvh_gen = pvh->pv_gen;
+			if ((m->flags & PG_FICTITIOUS) == 0)
+				pvh_gen = pvh->pv_gen;
 			md_gen = m->md.pv_gen;
 			rw_wunlock(lock);
 			PMAP_LOCK(pmap);
 			rw_wlock(lock);
-			if (pvh_gen != pvh->pv_gen || md_gen != m->md.pv_gen) {
+			if (((m->flags & PG_FICTITIOUS) == 0 &&
+			    pvh_gen != pvh->pv_gen) || md_gen != m->md.pv_gen) {
 				PMAP_UNLOCK(pmap);
 				goto retry;
 			}
@@ -6248,11 +6253,13 @@
 		pmap = PV_PMAP(pv);
 		if (!PMAP_TRYLOCK(pmap)) {
 			md_gen = m->md.pv_gen;
-			pvh_gen = pvh->pv_gen;
+			if ((m->flags & PG_FICTITIOUS) == 0)
+				pvh_gen = pvh->pv_gen;
 			rw_wunlock(lock);
 			PMAP_LOCK(pmap);
 			rw_wlock(lock);
-			if (pvh_gen != pvh->pv_gen || md_gen != m->md.pv_gen) {
+			if (((m->flags & PG_FICTITIOUS) == 0 &&
+			    pvh_gen != pvh->pv_gen) || md_gen != m->md.pv_gen) {
 				PMAP_UNLOCK(pmap);
 				goto restart;
 			}