Messages in this thread | | | Date | Fri, 25 Dec 2009 20:18:49 +0100 | From | Pavel Machek <> | Subject | Re: Tmem [PATCH 0/5] (Take 3): Transcendent memory |
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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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