diff options
Diffstat (limited to 'sys')
| -rw-r--r-- | sys/uvm/uvm_pdaemon.c | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/sys/uvm/uvm_pdaemon.c b/sys/uvm/uvm_pdaemon.c index d62b66f5999..e16ae26ea3b 100644 --- a/sys/uvm/uvm_pdaemon.c +++ b/sys/uvm/uvm_pdaemon.c @@ -1,4 +1,4 @@ -/* $OpenBSD: uvm_pdaemon.c,v 1.50 2009/06/17 00:13:59 oga Exp $ */ +/* $OpenBSD: uvm_pdaemon.c,v 1.51 2009/06/26 20:26:02 oga Exp $ */ /* $NetBSD: uvm_pdaemon.c,v 1.23 2000/08/20 10:24:14 bjh21 Exp $ */ /* @@ -823,8 +823,13 @@ uvmpd_scan_inactive(struct pglist *pglst) /* released during I/O? */ if (p->pg_flags & PG_RELEASED) { if (anon) { - /* remove page so we can get nextpg */ + /* + * remove page so we can get nextpg, + * also zero out anon so we don't use + * it after the free. + */ anon->an_page = NULL; + p->uanon = NULL; simple_unlock(&anon->an_lock); uvm_anfree(anon); /* kills anon */ |