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The wrong address (pindex) was being used for the page table directory. No

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negative side effects right now, but just a clean-up.
This commit is contained in:
John Dyson 1996-05-29 05:09:07 +00:00
parent 941fbd30eb
commit 256951297d
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=15977
2 changed files with 10 additions and 14 deletions
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12
sys/amd64/amd64/pmap.c
View File

@ -39,7 +39,7 @@
* SUCH DAMAGE.
*
* from: @(#)pmap.c 7.7 (Berkeley) 5/12/91
* $Id: pmap.c,v 1.93 1996/05/22 04:17:17 dyson Exp $
* $Id: pmap.c,v 1.94 1996/05/22 17:07:14 peter Exp $
*/
/*
@ -624,15 +624,13 @@ pmap_pinit(pmap)
/*
* allocate object for the ptes
*/
pmap->pm_pteobj = vm_object_allocate( OBJT_DEFAULT,
OFF_TO_IDX((KPT_MIN_ADDRESS + 1) - UPT_MIN_ADDRESS));
pmap->pm_pteobj = vm_object_allocate( OBJT_DEFAULT, PTDPTDI + 1);
/*
* allocate the page directory page
*/
retry:
ptdpg = vm_page_alloc( pmap->pm_pteobj, OFF_TO_IDX(KPT_MIN_ADDRESS),
VM_ALLOC_ZERO);
ptdpg = vm_page_alloc( pmap->pm_pteobj, PTDPTDI, VM_ALLOC_ZERO);
if (ptdpg == NULL) {
VM_WAIT;
goto retry;
@ -687,7 +685,7 @@ pmap_release_free_page(pmap, p)
* Page directory pages need to have the kernel
* stuff cleared, so they can go into the zero queue also.
*/
if (p->pindex == OFF_TO_IDX(KPT_MIN_ADDRESS)) {
if (p->pindex == PTDPTDI) {
unsigned *pde = (unsigned *) pmap->pm_pdir;
bzero(pde + KPTDI, nkpt * PTESIZE);
pde[APTDPTDI] = 0;
@ -720,7 +718,7 @@ pmap_release(pmap)
retry:
for (p = TAILQ_FIRST(&object->memq); p != NULL; p = n) {
n = TAILQ_NEXT(p, listq);
if (p->pindex == OFF_TO_IDX(KPT_MIN_ADDRESS)) {
if (p->pindex == PTDPTDI) {
ptdpg = p;
continue;
}

12
sys/i386/i386/pmap.c
View File

@ -39,7 +39,7 @@
* SUCH DAMAGE.
*
* from: @(#)pmap.c 7.7 (Berkeley) 5/12/91
* $Id: pmap.c,v 1.93 1996/05/22 04:17:17 dyson Exp $
* $Id: pmap.c,v 1.94 1996/05/22 17:07:14 peter Exp $
*/
/*
@ -624,15 +624,13 @@ pmap_pinit(pmap)
/*
* allocate object for the ptes
*/
pmap->pm_pteobj = vm_object_allocate( OBJT_DEFAULT,
OFF_TO_IDX((KPT_MIN_ADDRESS + 1) - UPT_MIN_ADDRESS));
pmap->pm_pteobj = vm_object_allocate( OBJT_DEFAULT, PTDPTDI + 1);
/*
* allocate the page directory page
*/
retry:
ptdpg = vm_page_alloc( pmap->pm_pteobj, OFF_TO_IDX(KPT_MIN_ADDRESS),
VM_ALLOC_ZERO);
ptdpg = vm_page_alloc( pmap->pm_pteobj, PTDPTDI, VM_ALLOC_ZERO);
if (ptdpg == NULL) {
VM_WAIT;
goto retry;
@ -687,7 +685,7 @@ pmap_release_free_page(pmap, p)
* Page directory pages need to have the kernel
* stuff cleared, so they can go into the zero queue also.
*/
if (p->pindex == OFF_TO_IDX(KPT_MIN_ADDRESS)) {
if (p->pindex == PTDPTDI) {
unsigned *pde = (unsigned *) pmap->pm_pdir;
bzero(pde + KPTDI, nkpt * PTESIZE);
pde[APTDPTDI] = 0;
@ -720,7 +718,7 @@ pmap_release(pmap)
retry:
for (p = TAILQ_FIRST(&object->memq); p != NULL; p = n) {
n = TAILQ_NEXT(p, listq);
if (p->pindex == OFF_TO_IDX(KPT_MIN_ADDRESS)) {
if (p->pindex == PTDPTDI) {
ptdpg = p;
continue;
}