CVS commit: src/sys/arch/usermode/usermode

[Reinoud Zandijk]

Module Name:    src
Committed By:   reinoud
Date:           Sun Jan  1 13:52:14 UTC 2012

Modified Files:
        src/sys/arch/usermode/usermode: pmap.c

Log Message:
According to the pmap manpage wired pages should not track RWM, so map them RW


To generate a diff of this commit:
cvs rdiff -u -r1.85 -r1.86 src/sys/arch/usermode/usermode/pmap.c

Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.


Modified files:

Index: src/sys/arch/usermode/usermode/pmap.c
diff -u src/sys/arch/usermode/usermode/pmap.c:1.85 src/sys/arch/usermode/usermode/pmap.c:1.86
--- src/sys/arch/usermode/usermode/pmap.c:1.85	Fri Dec 30 19:30:59 2011
+++ src/sys/arch/usermode/usermode/pmap.c	Sun Jan  1 13:52:13 2012
@@ -1,4 +1,4 @@
-/* $NetBSD: pmap.c,v 1.85 2011/12/30 19:30:59 jmcneill Exp $ */
+/* $NetBSD: pmap.c,v 1.86 2012/01/01 13:52:13 reinoud Exp $ */
 
 /*-
  * Copyright (c) 2011 Reinoud Zandijk <rein...@netbsd.org>
@@ -27,7 +27,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: pmap.c,v 1.85 2011/12/30 19:30:59 jmcneill Exp $");
+__KERNEL_RCSID(0, "$NetBSD: pmap.c,v 1.86 2012/01/01 13:52:13 reinoud Exp $");
 
 #include "opt_memsize.h"
 #include "opt_kmempages.h"
@@ -686,8 +686,8 @@ pv_update(struct pv_entry *pv)
 		mmap_ppl = THUNK_PROT_NONE;
 	}
 
-	/* unmanaged pages are special; they dont track r/m */
-	if (vflags & PV_UNMANAGED)
+	/* unmanaged or wired pages are special; they dont track r/m */
+	if (vflags & (PV_UNMANAGED | PV_WIRED))
 		mmap_ppl = THUNK_PROT_READ | THUNK_PROT_WRITE;
 
 	pv->pv_mmap_ppl = mmap_ppl;