diff options
Diffstat (limited to 'sys/vm/vm_map.c')
| -rw-r--r-- | sys/vm/vm_map.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/sys/vm/vm_map.c b/sys/vm/vm_map.c index 21b91d0..6b107db 100644 --- a/sys/vm/vm_map.c +++ b/sys/vm/vm_map.c @@ -360,6 +360,8 @@ _vm_map_lock(vm_map_t map, const char *file, int line) { int error; + if (map->system_map) + GIANT_REQUIRED; error = lockmgr(&map->lock, LK_EXCLUSIVE, NULL, curthread); KASSERT(error == 0, ("%s: failed to get lock", __func__)); map->timestamp++; @@ -377,6 +379,8 @@ _vm_map_lock_read(vm_map_t map, const char *file, int line) { int error; + if (map->system_map) + GIANT_REQUIRED; error = lockmgr(&map->lock, LK_EXCLUSIVE, NULL, curthread); KASSERT(error == 0, ("%s: failed to get lock", __func__)); } @@ -393,6 +397,8 @@ _vm_map_trylock(vm_map_t map, const char *file, int line) { int error; + if (map->system_map) + GIANT_REQUIRED; error = lockmgr(&map->lock, LK_EXCLUSIVE | LK_NOWAIT, NULL, curthread); return (error == 0); } |
