[src/trunk]: src/sys/arch/usermode/usermode Only activate pages that are in a...

[reinoud <reinoud%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/686fbb71be5f
branches:  trunk
changeset: 769594:686fbb71be5f
user:      reinoud <reinoud%NetBSD.org@localhost>
date:      Thu Sep 15 14:45:22 2011 +0000

description:
Only activate pages that are in active pmaps

diffstat:

 sys/arch/usermode/usermode/pmap.c |  12 ++++++++----
 1 files changed, 8 insertions(+), 4 deletions(-)

diffs (40 lines):

diff -r 4331939565ae -r 686fbb71be5f sys/arch/usermode/usermode/pmap.c
--- a/sys/arch/usermode/usermode/pmap.c Thu Sep 15 12:50:00 2011 +0000
+++ b/sys/arch/usermode/usermode/pmap.c Thu Sep 15 14:45:22 2011 +0000
@@ -1,4 +1,4 @@
-/* $NetBSD: pmap.c,v 1.63 2011/09/15 12:25:25 reinoud Exp $ */
+/* $NetBSD: pmap.c,v 1.64 2011/09/15 14:45:22 reinoud Exp $ */
 
 /*-
  * Copyright (c) 2011 Reinoud Zandijk <reinoud%NetBSD.org@localhost>
@@ -27,7 +27,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: pmap.c,v 1.63 2011/09/15 12:25:25 reinoud Exp $");
+__KERNEL_RCSID(0, "$NetBSD: pmap.c,v 1.64 2011/09/15 14:45:22 reinoud Exp $");
 
 #include "opt_memsize.h"
 #include "opt_kmempages.h"
@@ -465,7 +465,7 @@
        }
        /* If this mapping exists already, use that. */
        for (pv = pv; pv != NULL; pv = pv->pv_next) {
-               if (pv->pv_pmap == pmap && pv->pv_lpn == lpn) {
+               if ((pv->pv_pmap == pmap) && (pv->pv_lpn == lpn)) {
                        return pv;
                }
        }
@@ -676,7 +676,11 @@
                        ppn, pv->pv_pmap);
                if (pv->pv_pmap != NULL) {
                        pv_update(pv);
-                       pmap_page_activate(pv);
+                       if (pv->pv_pmap->pm_flags & PM_ACTIVE)
+                               pmap_page_activate(pv);
+                       else
+                               pmap_page_deactivate(pv)
+                       ;
                }
        }
 }