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SubjectRe: Tmem [PATCH 0/5] (Take 3): Transcendent memory
On Wed 2009-12-23 09:15:27, Dan Magenheimer wrote:
> > As I mentioned, I really like the idea behind tmem. All I am proposing
> > is that we should probably explore some alternatives to achive this using
> > some existing infrastructure in kernel.
>
> Hi Nitin --
>
> Sorry if I sounded overly negative... too busy around the holidays.
>
> I'm definitely OK with exploring alternatives. I just think that
> existing kernel mechanisms are very firmly rooted in the notion
> that either the kernel owns the memory/cache or an asynchronous
> device owns it. Tmem falls somewhere in between and is very

Well... compcache seems to be very similar to preswap: in preswap case
you don't know if hypervisor will have space, in ramzswap you don't
know if data are compressible.

Pavel

--
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html


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