OBJ_WRITEABLE
if ((obj->flags & (OBJ_WRITEABLE | OBJ_MIGHTBEDIRTY)) !=
(OBJ_WRITEABLE | OBJ_MIGHTBEDIRTY) ||
if ((obj->flags & (OBJ_WRITEABLE |
(OBJ_WRITEABLE | OBJ_MIGHTBEDIRTY) ||
if ((object->flags & (OBJ_WRITEABLE|OBJ_MIGHTBEDIRTY)) !=
(OBJ_WRITEABLE|OBJ_MIGHTBEDIRTY)) {
vm_object_set_flag(object, OBJ_WRITEABLE|OBJ_MIGHTBEDIRTY);
OBJ_WRITEABLE|OBJ_MIGHTBEDIRTY);