D29511.diff
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	diff --git a/sys/powerpc/aim/mmu_radix.c b/sys/powerpc/aim/mmu_radix.c
	--- a/sys/powerpc/aim/mmu_radix.c
	+++ b/sys/powerpc/aim/mmu_radix.c
	@@ -3184,6 +3184,7 @@
	* a reserved PT page could be freed.
	*/
	(void)pmap_remove_l3e(pmap, l3e, va, &free, lockp);
	+ pmap_invalidate_l3e_page(pmap, va, oldl3e);
	} else {
	if (pmap_remove_ptes(pmap, va, va + L3_PAGE_SIZE, l3e,
	&free, lockp))
	@@ -3242,6 +3243,7 @@
	* be any lingering 4KB page mappings in the TLB.)
	*/
	pte_store(l3e, newpde);
	+ ptesync();

	atomic_add_long(&pmap_l3e_mappings, 1);
	CTR2(KTR_PMAP, "pmap_enter_pde: success for va %#lx"
	@@ -4943,7 +4945,7 @@
	* the read above and the store below.
	*/
	pde_store(l3e, mptepa);
	- ptesync();
	+ pmap_invalidate_l3e_page(pmap, trunc_2mpage(va), oldpde);
	/*
	* Demote the PV entry.
	*/
	@@ -5224,6 +5226,7 @@
	*/
	if (sva + L3_PAGE_SIZE == va_next && eva >= va_next) {
	pmap_remove_l3e(pmap, l3e, sva, &free, &lock);
	+ anyvalid = true;
	continue;
	} else if (!pmap_demote_l3e_locked(pmap, l3e, sva,
	&lock)) {