--- linux-2.6.20.x86_64/mm/memory.c.noppc	2007-04-23 21:50:09.000000000 -0400
+++ linux-2.6.20.x86_64/mm/memory.c	2007-04-23 21:48:59.000000000 -0400
@@ -679,6 +679,7 @@ static unsigned long zap_pte_range(struc
 					}
 					ptep_test_and_clear_dirty(vma, addr, pte);
 					ptep_test_and_clear_young(vma, addr, pte);
+					tlb_remove_tlb_entry(tlb, pte, addr);
 					SetPageLazyFree(page);
 					if (PageActive(page))
 						deactivate_tail_page(page);