Re: vm/fs meetup in september?

[Christoph Hellwig]

On Tue, Jun 26, 2007 at 10:07:24AM -0700, Jared Hulbert wrote:
> If you have a large array of a non-volatile semi-writeable memory such
> as a highspeed NOR Flash or some of the similar emerging technologies
> in a system.  It would be useful to use that memory as an extension of
> RAM.  One of the ways you could do that is allow pages to be swapped
> out to this memory.  Once there these pages could be read directly,
> but would require a COW procedure on a write access.  The reason why I
> think this may be a vm/fs topic is that the hardware makes writing to
> this memory efficiently a non-trivial operation that requires
> management just like a filesystem.  Also it seems to me that there are
> probably overlaps between this topic and the recent filemap_xip.c
> discussions.

So what you mean is "swap on flash" ?  Defintively sounds like an
interesting topic, although I'm not too sure it's all that
filesystem-related.
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