Subject: Re: vnode locking procedure change to suport stacked fs's.
To: None <>
From: John Kohl <>
List: tech-kern
Date: 06/01/1999 21:51:00
>>>>> "CC" == Chuck Silvers <> writes:

CC> also, the current DNLC implementation (vfs_cache.c) assumes that vnodes
CC> are never freed once allocated, so you'd have to change that if you want
CC> to free vnodes.  (this is an example of Type-Stable Memory, for the
CC> theory weenies amongst us...)

I recall a paper at USENIX in 1993? 1994? presented by Aju John about
making vnodes de-allocatable in the DEC UNIX kernel (which uses a
4.3BSD-Reno based vnode framework).  Might be relevant here.

==John Kohl <>, <>
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