diff options
| author | dg <dg@FreeBSD.org> | 1995-11-12 08:58:58 +0000 |
|---|---|---|
| committer | dg <dg@FreeBSD.org> | 1995-11-12 08:58:58 +0000 |
| commit | 867529addcb60d59dfa383c4c693cc4c5b802ff6 (patch) | |
| tree | 7b4f9624aee39d49a20cf5bb870ecc884ddda86d /sys | |
| parent | 86c893fd834cf5a753a3393fd4451ad0cc8125a2 (diff) | |
| download | FreeBSD-src-867529addcb60d59dfa383c4c693cc4c5b802ff6.zip FreeBSD-src-867529addcb60d59dfa383c4c693cc4c5b802ff6.tar.gz | |
Moved vm_map_lock call to inside the splhigh protection in vm_map_find().
This closes a probably rare but nonetheless real window that would result
in a process hanging or the system panicing.
Reviewed by: dyson, davidg
Submitted by: kato@eclogite.eps.nagoya-u.ac.jp (KATO Takenori)
Diffstat (limited to 'sys')
| -rw-r--r-- | sys/vm/vm_map.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/sys/vm/vm_map.c b/sys/vm/vm_map.c index 2c04dff..309c9af 100644 --- a/sys/vm/vm_map.c +++ b/sys/vm/vm_map.c @@ -61,7 +61,7 @@ * any improvements or extensions that they make and grant Carnegie the * rights to redistribute these changes. * - * $Id: vm_map.c,v 1.24 1995/08/26 23:18:38 bde Exp $ + * $Id: vm_map.c,v 1.25 1995/10/23 05:35:44 dyson Exp $ */ /* @@ -765,11 +765,11 @@ vm_map_find(map, object, offset, addr, length, find_space) int result, s = 0; start = *addr; - vm_map_lock(map); if (map == kmem_map) s = splhigh(); + vm_map_lock(map); if (find_space) { if (vm_map_findspace(map, start, length, addr)) { vm_map_unlock(map); |
