Module Name:    src
Committed By:   reinoud
Date:           Wed Aug 24 11:30:59 UTC 2011

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

Log Message:
Use the VM_MIN_ADDRESS `constant' for the offset calculation of virtual
address to a logical page address.


To generate a diff of this commit:
cvs rdiff -u -r1.26 -r1.27 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:1.26 src/sys/arch/usermode/usermode/pmap.c:1.27
--- src/sys/arch/usermode/usermode/pmap.c:1.26	Wed Aug 24 11:02:31 2011
+++ src/sys/arch/usermode/usermode/pmap.c	Wed Aug 24 11:30:59 2011
@@ -1,4 +1,4 @@
-/* $NetBSD: pmap.c,v 1.26 2011/08/24 11:02:31 reinoud Exp $ */
+/* $NetBSD: pmap.c,v 1.27 2011/08/24 11:30:59 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 1.26 2011/08/24 11:02:31 reinoud Exp $");
+__KERNEL_RCSID(0, "$NetBSD: pmap.c,v 1.27 2011/08/24 11:30:59 reinoud Exp $");
 
 #include "opt_memsize.h"
 #include "opt_kmempages.h"
@@ -414,7 +414,7 @@
 pmap_page_activate(struct pv_entry *pv)
 {
 	paddr_t pa = pv->pv_ppn * PAGE_SIZE;
-	vaddr_t va = pv->pv_lpn * PAGE_SIZE + kmem_ext_start; /* XXX V->A make new var */
+	vaddr_t va = pv->pv_lpn * PAGE_SIZE + VM_MIN_ADDRESS; /* V->A */
 
 	void *addr;
 
@@ -471,7 +471,7 @@
 
 	/* to page numbers */
 	ppn = atop(pa);
-	lpn = atop(va - kmem_ext_start);	/* XXX V->A make new var */
+	lpn = atop(va - VM_MIN_ADDRESS);	/* V->A */
 #ifdef DIAGNOSTIC
 	if ((va < kmem_k_start) || (va > kmem_user_end))
 		panic("pmap_do_enter: invalid va isued\n");
@@ -630,7 +630,7 @@
 
 	/* TODO protect against roque values */
 	aprint_debug("pmap_extract: extracting va %p\n", (void *) va);
-	pv = pmap->pm_entries[atop(va - kmem_ext_start)];	/* XXX V->A make new var */
+	pv = pmap->pm_entries[atop(va - VM_MIN_ADDRESS)]; /* V->A */
 
 	if (pv == NULL)
 		return false;

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