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Make pmap_ts_referenced check more than 1 pv_entry. (One should be carefull

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when move elements to the tail of a list in a loop...)
This commit is contained in:
Dmitrij Tejblum 1999-01-07 22:15:51 +00:00
parent 4c00dd8215
commit 6143bceb3f
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=42381
2 changed files with 10 additions and 10 deletions
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10
sys/amd64/amd64/pmap.c
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@ -39,7 +39,7 @@
* SUCH DAMAGE.
*
* from: @(#)pmap.c 7.7 (Berkeley) 5/12/91
* $Id: pmap.c,v 1.214 1998/11/27 01:14:21 tegge Exp $
* $Id: pmap.c,v 1.215 1998/12/07 21:58:18 archie Exp $
*/
/*
@ -3205,7 +3205,7 @@ pmap_phys_address(ppn)
int
pmap_ts_referenced(vm_offset_t pa)
{
register pv_entry_t pv;
register pv_entry_t pv, pvf, pvn;
pv_table_t *ppv;
unsigned *pte;
int s;
@ -3226,9 +3226,9 @@ pmap_ts_referenced(vm_offset_t pa)
/*
* Not found, check current mappings returning immediately if found.
*/
for (pv = TAILQ_FIRST(&ppv->pv_list);
pv;
pv = TAILQ_NEXT(pv, pv_list)) {
pvf = TAILQ_FIRST(&ppv->pv_list);
for (pv = pvf; pv && pv != pvf; pv = pvn) {
pvn = TAILQ_NEXT(pv, pv_list);
TAILQ_REMOVE(&ppv->pv_list, pv, pv_list);
/*

10
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 1.214 1998/11/27 01:14:21 tegge Exp $
* $Id: pmap.c,v 1.215 1998/12/07 21:58:18 archie Exp $
*/
/*
@ -3205,7 +3205,7 @@ pmap_phys_address(ppn)
int
pmap_ts_referenced(vm_offset_t pa)
{
register pv_entry_t pv;
register pv_entry_t pv, pvf, pvn;
pv_table_t *ppv;
unsigned *pte;
int s;
@ -3226,9 +3226,9 @@ pmap_ts_referenced(vm_offset_t pa)
/*
* Not found, check current mappings returning immediately if found.
*/
for (pv = TAILQ_FIRST(&ppv->pv_list);
pv;
pv = TAILQ_NEXT(pv, pv_list)) {
pvf = TAILQ_FIRST(&ppv->pv_list);
for (pv = pvf; pv && pv != pvf; pv = pvn) {
pvn = TAILQ_NEXT(pv, pv_list);
TAILQ_REMOVE(&ppv->pv_list, pv, pv_list);
/*