Re: FW: Filesystem gets a huge performance boost

[Bruce Evans]

On Sun, 15 Apr 2001, Justin T. Gibbs wrote:

> >    There's no downside, really.
> 
> It just seems inelegant to have a system that, on paper, is
> so inefficient.  Can't we do better?

Sure.  Don't discard buffer contents when recycling a B_MALLOC'ed buffer,
but manage it using a secondary buffer cache that doesn't have as much
overhead as the primary one (in particular, don't reserve BKVASIZE bytes
of kernel virtual address space for each secondary buffer).  This would
be even more inelegant, and more complicated, but not so inefficient.

Bruce


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