Index: i386/intel/pmap.c
===================================================================
RCS file: /cvsroot/hurd/gnumach/i386/intel/pmap.c,v
retrieving revision 1.4.2.17
diff -u -p -r1.4.2.17 pmap.c
--- i386/intel/pmap.c	30 Apr 2007 20:30:11 -0000	1.4.2.17
+++ i386/intel/pmap.c	3 Jul 2007 21:15:36 -0000
@@ -1506,6 +1506,9 @@ Retry:
 		template |= INTEL_PTE_USER;
 	    if (prot & VM_PROT_WRITE)
 		template |= INTEL_PTE_WRITE;
+	    if (machine_slot[cpu_number()].cpu_type >= CPU_TYPE_I486
+		&& pa >= phys_last_addr)
+		template |= INTEL_PTE_NCACHE|INTEL_PTE_WTHRU;
 	    if (wired)
 		template |= INTEL_PTE_WIRED;
 	    PMAP_UPDATE_TLBS(pmap, v, v + PAGE_SIZE);
@@ -1615,6 +1618,9 @@ Retry:
 		template |= INTEL_PTE_USER;
 	    if (prot & VM_PROT_WRITE)
 		template |= INTEL_PTE_WRITE;
+	    if (machine_slot[cpu_number()].cpu_type >= CPU_TYPE_I486
+		&& pa >= phys_last_addr)
+		template |= INTEL_PTE_NCACHE|INTEL_PTE_WTHRU;
 	    if (wired)
 		template |= INTEL_PTE_WIRED;
 	    i = ptes_per_vm_page;