From fc47434cee33038daf2d62413ca2ffd212e8616a Mon Sep 17 00:00:00 2001 From: dt Date: Sat, 9 Jan 1999 21:41:22 +0000 Subject: 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)... --- sys/amd64/amd64/pmap.c | 8 +++++--- 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); -- cgit v1.1