pmap_pte_spill
int pmap_pte_spill(pmap_t, vaddr_t, bool);
i = pmap_pte_spill(pm, va, false);
STATIC int pmap_pte_spill(struct pmap *, vaddr_t, bool);
.pmapop_pte_spill = pmap_pte_spill,
pmap_pte_spill(struct pmap *pm, vaddr_t va, bool exec)
pmap_pte_spill(vm_map_pmap(map), trunc_page(va), false))
pmap_pte_spill(vm_map_pmap(map), trunc_page(tf->tf_dar),
pmap_pte_spill(vm_map_pmap(map), trunc_page(tf->tf_srr0),