On Wed, 7 Jul 1999, Jason Thorpe wrote:

> On Wed, 7 Jul 1999 16:55:28 -0700 (PDT) 
>  Julian Elischer <jul...@whistle.com> wrote:
> 
>  > or do what Kirk wants to do and merge the VM and Vnode structures
>  > I belive the UVM does a bit in this direction due to kirk's influence.
> 
> A uvm_object is not a standalone thing in UVM.  Every thing that's
> mappable in UVM has a uvm_object embedded in it.
> 
> In the case of vnodes, a vnode contains a uvm_vnode, which in turn contains
> a uvm_object.  This has direct performance benefits as described in both
> Chuck's thesis and in his USENIX paper.
> 
> Now, in the case of the chs-ubc2 branch of the NetBSD source tree, which is
> where the unified buffer cache work is happening, there is almost no
> distinction between a vnode and an object.

Yes, I understand...
I was simplifying :-)


> 
>         -- Jason R. Thorpe <thor...@nas.nasa.gov>
> 
> 



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