D18731.1794800505.diff
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	Index: head/sys/riscv/riscv/pmap.c
	===================================================================
	--- head/sys/riscv/riscv/pmap.c
	+++ head/sys/riscv/riscv/pmap.c
	@@ -2754,6 +2754,9 @@
	pmap_resident_count_dec(pmap, 1);
	TAILQ_REMOVE(&m->md.pv_list, pv, pv_next);
	m->md.pv_gen++;
	+ if (TAILQ_EMPTY(&m->md.pv_list) &&
	+ (m->aflags & PGA_WRITEABLE) != 0)
	+ vm_page_aflag_clear(m, PGA_WRITEABLE);

	pmap_unuse_l3(pmap, pv->pv_va, ptepde, &free);
	freed++;