D30875.diff
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	diff --git a/sys/arm64/arm64/pmap.c b/sys/arm64/arm64/pmap.c
	--- a/sys/arm64/arm64/pmap.c
	+++ b/sys/arm64/arm64/pmap.c
	@@ -5664,8 +5664,7 @@
	l2 = pmap_l2(pmap, pv->pv_va);
	l3 = pmap_l2_to_l3(l2, pv->pv_va);
	oldl3 = pmap_load(l3);
	- if (pmap_l3_valid(oldl3) &&
	- (oldl3 & (ATTR_S1_AP_RW_BIT \| ATTR_SW_DBM)) == ATTR_SW_DBM){
	+ if ((oldl3 & (ATTR_S1_AP_RW_BIT \| ATTR_SW_DBM)) == ATTR_SW_DBM){
	pmap_set_bits(l3, ATTR_S1_AP(ATTR_S1_AP_RO));
	pmap_invalidate_page(pmap, pv->pv_va);
	}