d/freebsd-nq
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

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

Browse Source 
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
2 changed files with 10 additions and 14 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

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;
}