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 <[email protected]>
@@ -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;
