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Revision 1.74 of vm_meter.c ("Avoid lock-order reversal") makes the release

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and subsequent reacquisition of the same vm object lock in
vm_object_collapse() unnecessary.
This commit is contained in:
Alan Cox 2004-01-02 19:57:45 +00:00
parent e0ba75dd78
commit d0058957b5
1 changed files with 0 additions and 2 deletions
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sys/vm/vm_object.c
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@ -1662,7 +1662,6 @@ vm_object_collapse(vm_object_t object)
object->backing_object = backing_object->backing_object;
object->backing_object_offset +=
backing_object->backing_object_offset;
/* XXX */ VM_OBJECT_UNLOCK(object);
/*
* Discard backing_object.
@ -1682,7 +1681,6 @@ vm_object_collapse(vm_object_t object)
);
mtx_unlock(&vm_object_list_mtx);
/* XXX */ VM_OBJECT_LOCK(object);
uma_zfree(obj_zone, backing_object);
object_collapses++;