diff options
| author | alc <alc@FreeBSD.org> | 1999-08-10 04:10:57 +0000 |
|---|---|---|
| committer | alc <alc@FreeBSD.org> | 1999-08-10 04:10:57 +0000 |
| commit | 6118d3300ff2f69a7295ae4b9af52ffaf79b3959 (patch) | |
| tree | 9b941595318d0d0bd2c536c18f6dc84aecc30f68 /sys/i386 | |
| parent | 2cfab0c1d9f553f2f69520f75489675742095ba0 (diff) | |
| download | FreeBSD-src-6118d3300ff2f69a7295ae4b9af52ffaf79b3959.zip FreeBSD-src-6118d3300ff2f69a7295ae4b9af52ffaf79b3959.tar.gz | |
pmap_remove_pages:
Add KASSERT to detect out of range access to the pv_table and
report the errant pte before it's overwritten.
Diffstat (limited to 'sys/i386')
| -rw-r--r-- | sys/i386/i386/pmap.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/sys/i386/i386/pmap.c b/sys/i386/i386/pmap.c index bf78df8..aa51390 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 1.243 1999/07/31 04:10:31 alc Exp $ + * $Id: pmap.c,v 1.244 1999/07/31 23:02:57 alc Exp $ */ /* @@ -2967,6 +2967,9 @@ pmap_remove_pages(pmap, sva, eva) ppv = pa_to_pvh(tpte); + KASSERT(ppv < &pv_table[pv_npg], + ("pmap_remove_pages: bad tpte %x", tpte)); + pv->pv_pmap->pm_stats.resident_count--; /* |
