[src/netbsd-2-0]: src/sys/arch/i386/i386 Pull up revision 1.181 (requested by...

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

details:   https://anonhg.NetBSD.org/src/rev/5a5d665ae5df
branches:  netbsd-2-0
changeset: 564783:5a5d665ae5df
user:      tron <tron%NetBSD.org@localhost>
date:      Wed Jun 08 11:29:40 2005 +0000

description:
Pull up revision 1.181 (requested by chs in ticket #1979):
Preload the referenced and modified bits when entering a page due to a fault.

diffstat:

 sys/arch/i386/i386/pmap.c |  11 +++++++++--
 1 files changed, 9 insertions(+), 2 deletions(-)

diffs (32 lines):

diff -r ff914bb61c0b -r 5a5d665ae5df sys/arch/i386/i386/pmap.c
--- a/sys/arch/i386/i386/pmap.c Tue May 31 21:55:33 2005 +0000
+++ b/sys/arch/i386/i386/pmap.c Wed Jun 08 11:29:40 2005 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: pmap.c,v 1.171.2.1 2004/04/16 07:58:45 tron Exp $      */
+/*     $NetBSD: pmap.c,v 1.171.2.2 2005/06/08 11:29:40 tron Exp $      */
 
 /*
  *
@@ -60,7 +60,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: pmap.c,v 1.171.2.1 2004/04/16 07:58:45 tron Exp $");
+__KERNEL_RCSID(0, "$NetBSD: pmap.c,v 1.171.2.2 2005/06/08 11:29:40 tron Exp $");
 
 #include "opt_cputype.h"
 #include "opt_user_ldt.h"
@@ -3280,6 +3280,13 @@
                npte |= (PG_u | PG_RW); /* XXXCDC: no longer needed? */
        if (pmap == pmap_kernel())
                npte |= pmap_pg_g;
+#if 1
+       if (flags & VM_PROT_ALL) {
+               npte |= PG_U;
+               if (flags & VM_PROT_WRITE)
+                       npte |= PG_M;
+       }
+#endif
 
        /* get lock */
        PMAP_MAP_TO_HEAD_LOCK();