D45582.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
	@@ -3268,12 +3268,15 @@
	uwptpg = NULL;
	if ((newpde & PG_W) != 0 && pmap != kernel_pmap) {
	uwptpg = vm_page_alloc_noobj(VM_ALLOC_WIRED);
	- if (uwptpg == NULL)
	+ if (uwptpg == NULL) {
	+ pmap_abort_ptp(pmap, va, pdpg);
	return (KERN_RESOURCE_SHORTAGE);
	+ }
	uwptpg->pindex = pmap_l3e_pindex(va);
	if (pmap_insert_pt_page(pmap, uwptpg)) {
	vm_page_unwire_noq(uwptpg);
	vm_page_free(uwptpg);
	+ pmap_abort_ptp(pmap, va, pdpg);
	return (KERN_RESOURCE_SHORTAGE);
	}
	pmap_resident_count_inc(pmap, 1);