diff options
| author | dt <dt@FreeBSD.org> | 1999-01-09 21:41:22 +0000 |
|---|---|---|
| committer | dt <dt@FreeBSD.org> | 1999-01-09 21:41:22 +0000 |
| commit | fc47434cee33038daf2d62413ca2ffd212e8616a (patch) | |
| tree | 13ad1bbe21ae913243ef607fc888216c0e9db61c | |
| parent | 5ef1fe5a746e1c0d94e728b671737d381e878511 (diff) | |
| download | FreeBSD-src-fc47434cee33038daf2d62413ca2ffd212e8616a.zip FreeBSD-src-fc47434cee33038daf2d62413ca2ffd212e8616a.tar.gz | |
Oops --<, replace 1.216 with a version that actually check pv_entries (and
was tested for month or two in production).
Noticed by: Stephen McKay
Stephen also suggested to remove the complication at all. I don't do it as
it would be backout of a large part of 1.190 (from 1998/03/16)...
| -rw-r--r-- | sys/amd64/amd64/pmap.c | 8 | ||||
| -rw-r--r-- | sys/i386/i386/pmap.c | 8 |
2 files changed, 10 insertions, 6 deletions
diff --git a/sys/amd64/amd64/pmap.c b/sys/amd64/amd64/pmap.c index 92c3d2e..3a4e19e 100644 --- a/sys/amd64/amd64/pmap.c +++ b/sys/amd64/amd64/pmap.c @@ -39,7 +39,7 @@ * SUCH DAMAGE. * * from: @(#)pmap.c 7.7 (Berkeley) 5/12/91 - * $Id: pmap.c,v 1.216 1999/01/07 22:15:51 dt Exp $ + * $Id: pmap.c,v 1.217 1999/01/08 14:20:54 luoqi Exp $ */ /* @@ -3227,8 +3227,10 @@ pmap_ts_referenced(vm_offset_t pa) /* * Not found, check current mappings returning immediately if found. */ - pvf = TAILQ_FIRST(&ppv->pv_list); - for (pv = pvf; pv && pv != pvf; pv = pvn) { + pvf = 0; + for (pv = TAILQ_FIRST(&ppv->pv_list); pv && pv != pvf; pv = pvn) { + if (!pvf) + pvf = pv; pvn = TAILQ_NEXT(pv, pv_list); TAILQ_REMOVE(&ppv->pv_list, pv, pv_list); diff --git a/sys/i386/i386/pmap.c b/sys/i386/i386/pmap.c index 92c3d2e..3a4e19e 100644 --- a/sys/i386/i386/pmap.c +++ b/sys/i386/i386/pmap.c @@ -39,7 +39,7 @@ * SUCH DAMAGE. * * from: @(#)pmap.c 7.7 (Berkeley) 5/12/91 - * $Id: pmap.c,v 1.216 1999/01/07 22:15:51 dt Exp $ + * $Id: pmap.c,v 1.217 1999/01/08 14:20:54 luoqi Exp $ */ /* @@ -3227,8 +3227,10 @@ pmap_ts_referenced(vm_offset_t pa) /* * Not found, check current mappings returning immediately if found. */ - pvf = TAILQ_FIRST(&ppv->pv_list); - for (pv = pvf; pv && pv != pvf; pv = pvn) { + pvf = 0; + for (pv = TAILQ_FIRST(&ppv->pv_list); pv && pv != pvf; pv = pvn) { + if (!pvf) + pvf = pv; pvn = TAILQ_NEXT(pv, pv_list); TAILQ_REMOVE(&ppv->pv_list, pv, pv_list); |
