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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:
dt 1999-01-07 22:15:51 +00:00
parent 849473d83b
commit 6198a10485
2 changed files with 10 additions and 10 deletions
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10
sys/amd64/amd64/pmap.c
View File

@ -39,7 +39,7 @@
* SUCH DAMAGE. * SUCH DAMAGE.
* *
* from: @(#)pmap.c 7.7 (Berkeley) 5/12/91 * 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 int
pmap_ts_referenced(vm_offset_t pa) pmap_ts_referenced(vm_offset_t pa)
{ {
register pv_entry_t pv; register pv_entry_t pv, pvf, pvn;
pv_table_t *ppv; pv_table_t *ppv;
unsigned *pte; unsigned *pte;
int s; int s;
@ -3226,9 +3226,9 @@ pmap_ts_referenced(vm_offset_t pa)
/* /*
* Not found, check current mappings returning immediately if found. * Not found, check current mappings returning immediately if found.
*/ */
for (pv = TAILQ_FIRST(&ppv->pv_list); pvf = TAILQ_FIRST(&ppv->pv_list);
pv; for (pv = pvf; pv && pv != pvf; pv = pvn) {
pv = TAILQ_NEXT(pv, pv_list)) { pvn = TAILQ_NEXT(pv, pv_list);
TAILQ_REMOVE(&ppv->pv_list, 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. * SUCH DAMAGE.
* *
* from: @(#)pmap.c 7.7 (Berkeley) 5/12/91 * 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 int
pmap_ts_referenced(vm_offset_t pa) pmap_ts_referenced(vm_offset_t pa)
{ {
register pv_entry_t pv; register pv_entry_t pv, pvf, pvn;
pv_table_t *ppv; pv_table_t *ppv;
unsigned *pte; unsigned *pte;
int s; int s;
@ -3226,9 +3226,9 @@ pmap_ts_referenced(vm_offset_t pa)
/* /*
* Not found, check current mappings returning immediately if found. * Not found, check current mappings returning immediately if found.
*/ */
for (pv = TAILQ_FIRST(&ppv->pv_list); pvf = TAILQ_FIRST(&ppv->pv_list);
pv; for (pv = pvf; pv && pv != pvf; pv = pvn) {
pv = TAILQ_NEXT(pv, pv_list)) { pvn = TAILQ_NEXT(pv, pv_list);
TAILQ_REMOVE(&ppv->pv_list, pv, pv_list); TAILQ_REMOVE(&ppv->pv_list, pv, pv_list);
/* /*