diff options
Diffstat (limited to 'sys/vm/vm_object.c')
-rw-r--r-- | sys/vm/vm_object.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/sys/vm/vm_object.c b/sys/vm/vm_object.c index e9d1280..847056f 100644 --- a/sys/vm/vm_object.c +++ b/sys/vm/vm_object.c @@ -737,6 +737,10 @@ vm_object_terminate(vm_object_t object) vinvalbuf(vp, V_SAVE, 0, 0); + BO_LOCK(&vp->v_bufobj); + vp->v_bufobj.bo_flag |= BO_DEAD; + BO_UNLOCK(&vp->v_bufobj); + VM_OBJECT_WLOCK(object); } @@ -1722,6 +1726,9 @@ vm_object_collapse(vm_object_t object) * case. */ if (backing_object->ref_count == 1) { + vm_object_pip_add(object, 1); + vm_object_pip_add(backing_object, 1); + /* * If there is exactly one reference to the backing * object, we can collapse it into the parent. @@ -1793,11 +1800,13 @@ vm_object_collapse(vm_object_t object) KASSERT(backing_object->ref_count == 1, ( "backing_object %p was somehow re-referenced during collapse!", backing_object)); + vm_object_pip_wakeup(backing_object); backing_object->type = OBJT_DEAD; backing_object->ref_count = 0; VM_OBJECT_WUNLOCK(backing_object); vm_object_destroy(backing_object); + vm_object_pip_wakeup(object); object_collapses++; } else { vm_object_t new_backing_object; @@ -2130,6 +2139,7 @@ vm_object_coalesce(vm_object_t prev_object, vm_ooffset_t prev_offset, */ if (!reserved && !swap_reserve_by_cred(ptoa(next_size), prev_object->cred)) { + VM_OBJECT_WUNLOCK(prev_object); return (FALSE); } prev_object->charge += ptoa(next_size); |