:Is there a good reason for not having the vm_object_clear_flag() in
:vm_object_reference()?
Well, yes... vm_object's are referenced for all sorts of things
temporarily. Everything from a process looking one up temporarily
to the swap code issuing I/O. None of these references have anything
to do with OBJ_ONEMAPPING.
:A reference count leak did occur, ref_count was bumped without other
:sanity flags being cleared, the code makes it easy to shoot yourself
:in the foot.
This is not necessarily a leak. If you have discontinuous vm_map_entry
structures pointing to the same vm_object, then the vm_object will have
a big reference count and can still be set OBJ_ONEMAPPING.
-Matt
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