Module Name:    src
Committed By:   matt
Date:           Mon Aug 17 18:56:10 UTC 2009

Modified Files:
        src/sys/arch/mips/include: proc.h
        src/sys/arch/mips/mips: vm_machdep.c

Log Message:
Only include md_uptes if USPACE > PAGE_SIZE


To generate a diff of this commit:
cvs rdiff -u -r1.21 -r1.22 src/sys/arch/mips/include/proc.h
cvs rdiff -u -r1.123 -r1.124 src/sys/arch/mips/mips/vm_machdep.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/mips/include/proc.h
diff -u src/sys/arch/mips/include/proc.h:1.21 src/sys/arch/mips/include/proc.h:1.22
--- src/sys/arch/mips/include/proc.h:1.21	Fri Nov 16 07:36:11 2007
+++ src/sys/arch/mips/include/proc.h	Mon Aug 17 18:56:09 2009
@@ -1,4 +1,4 @@
-/*	$NetBSD: proc.h,v 1.21 2007/11/16 07:36:11 skrll Exp $	*/
+/*	$NetBSD: proc.h,v 1.22 2009/08/17 18:56:09 matt Exp $	*/
 
 /*
  * Copyright (c) 1992, 1993
@@ -48,10 +48,12 @@
 struct mdlwp {
 	void	*md_regs;		/* registers on current frame */
 	int	md_flags;		/* machine-dependent flags */
-	int	md_upte[UPAGES];	/* ptes for mapping u page */
 	vaddr_t	md_ss_addr;		/* single step address for ptrace */
 	int	md_ss_instr;		/* single step instruction for ptrace */
 	volatile int md_astpending;	/* AST pending on return to userland */
+#if USPACE > PAGE_SIZE
+	int	md_upte[UPAGES];	/* ptes for mapping u page */
+#endif
 };
 
 struct mdproc {

Index: src/sys/arch/mips/mips/vm_machdep.c
diff -u src/sys/arch/mips/mips/vm_machdep.c:1.123 src/sys/arch/mips/mips/vm_machdep.c:1.124
--- src/sys/arch/mips/mips/vm_machdep.c:1.123	Sat May 30 18:26:06 2009
+++ src/sys/arch/mips/mips/vm_machdep.c	Mon Aug 17 18:56:10 2009
@@ -1,4 +1,4 @@
-/*	$NetBSD: vm_machdep.c,v 1.123 2009/05/30 18:26:06 martin Exp $	*/
+/*	$NetBSD: vm_machdep.c,v 1.124 2009/08/17 18:56:10 matt 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 1.123 2009/05/30 18:26:06 martin Exp $");
+__KERNEL_RCSID(0, "$NetBSD: vm_machdep.c,v 1.124 2009/08/17 18:56:10 matt Exp $");
 
 #include "opt_ddb.h"
 
@@ -128,8 +128,6 @@
 {
 	struct pcb *pcb;
 	struct frame *f;
-	pt_entry_t *pte;
-	int i, x;
 
 	l2->l_md.md_ss_addr = 0;
 	l2->l_md.md_ss_instr = 0;
@@ -162,12 +160,17 @@
 
 	l2->l_md.md_regs = (void *)f;
 	l2->l_md.md_flags = l1->l_md.md_flags & MDP_FPUSED;
-	x = (MIPS_HAS_R4K_MMU) ?
-	    (MIPS3_PG_G | MIPS3_PG_RO | MIPS3_PG_WIRED) :
-	    MIPS1_PG_G;
-	pte = kvtopte(l2->l_addr);
-	for (i = 0; i < UPAGES; i++)
-		l2->l_md.md_upte[i] = pte[i].pt_entry &~ x;
+#if USPACE > PAGE_SIZE
+	{
+		size_t i;
+		const int x = (MIPS_HAS_R4K_MMU) ?
+		    (MIPS3_PG_G | MIPS3_PG_RO | MIPS3_PG_WIRED) :
+		    MIPS1_PG_G;
+		pt_entry_t *pte = kvtopte(l2->l_addr);
+		for (i = 0; i < UPAGES; i++)
+			l2->l_md.md_upte[i] = pte[i].pt_entry &~ x;
+	}
+#endif
 
 	pcb = &l2->l_addr->u_pcb;
 	pcb->pcb_context[0] = (intptr_t)func;		/* S0 */

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