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List:       netbsd-tech-kern
Subject:    Re: Memory leak?
From:       root () ihack ! net (Charles M !  Hannum)
Date:       1999-11-23 1:07:58
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Michael Graff <explorer@flame.org> writes:

> Frank van der Linden <frank@wins.uva.nl> writes:
> 
> > D'oh! No wonder vnodes were never taken from the freelist.. Thanks!
> 
> Is there any reason vnodes are kept on a private free list, rather
> than being given back to the memory pool like ffsinodes are?

As we've gone over before, the implementation of vfs_cache.c requires
this.  If a vnode is freed, we have to be absolutely certain there are
no namei cache pointers pointing to it.

I even proposed (somewhere) a method for efficiently freeing vnodes in
chunks, without changing any data structures...

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