Function pmap_unuse_pt

freebsd/mips/mips/pmap.c:1067–1077

* After removing a page table entry, this routine is used to * conditionally free the page, and manage the reference count. */

 * conditionally free the page, and manage the reference count.
 */
static int
pmap_unuse_pt(pmap_t pmap, vm_offset_t va, pd_entry_t pde)
{
	vm_page_t mpte;

	if (va >= VM_MAXUSER_ADDRESS)
		return (0);
	KASSERT(pde != 0, ("pmap_unuse_pt: pde != 0"));
	mpte = PHYS_TO_VM_PAGE(MIPS_DIRECT_TO_PHYS(pde));
	return (pmap_unwire_ptp(pmap, va, mpte));
}

void
pmap_pinit0(pmap_t pmap)