[src/trunk]: src/sys/arch/mips/mips if USPACE <= PAGE_SIZE then the (single) ...

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

details:   https://anonhg.NetBSD.org/src/rev/5b64fe173977
branches:  trunk
changeset: 746790:5b64fe173977
user:      cliff <cliff%NetBSD.org@localhost>
date:      Thu Aug 20 01:33:04 2009 +0000

description:
if USPACE <= PAGE_SIZE then the (single) upage will be mapped in kseg0 or xphys and cpu_swapin is null func.

diffstat:

 sys/arch/mips/mips/vm_machdep.c |  6 ++++--
 1 files changed, 4 insertions(+), 2 deletions(-)

diffs (34 lines):

diff -r 5daae3df00da -r 5b64fe173977 sys/arch/mips/mips/vm_machdep.c
--- a/sys/arch/mips/mips/vm_machdep.c   Thu Aug 20 00:59:28 2009 +0000
+++ b/sys/arch/mips/mips/vm_machdep.c   Thu Aug 20 01:33:04 2009 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: vm_machdep.c,v 1.124 2009/08/17 18:56:10 matt Exp $    */
+/*     $NetBSD: vm_machdep.c,v 1.125 2009/08/20 01:33:04 cliff Exp $   */
 
 /*
  * Copyright (c) 1992, 1993
@@ -77,7 +77,7 @@
  */
 
 #include <sys/cdefs.h>                 /* RCS ID & Copyright macro defns */
-__KERNEL_RCSID(0, "$NetBSD: vm_machdep.c,v 1.124 2009/08/17 18:56:10 matt Exp $");
+__KERNEL_RCSID(0, "$NetBSD: vm_machdep.c,v 1.125 2009/08/20 01:33:04 cliff Exp $");
 
 #include "opt_ddb.h"
 
@@ -215,6 +215,7 @@
 void
 cpu_swapin(struct lwp *l)
 {
+#if USPACE > PAGE_SIZE
        pt_entry_t *pte;
        int i, x;
 
@@ -229,6 +230,7 @@
        pte = kvtopte(l->l_addr);
        for (i = 0; i < UPAGES; i++)
                l->l_md.md_upte[i] = pte[i].pt_entry &~ x;
+#endif
 }
 
 void