Messages in this thread |  | | | Date | Mon, 3 May 2010 21:32:23 +0200 | | From | Pavel Machek <> | | Subject | Re: Frontswap [PATCH 0/4] (was Transcendent Memory): overview |
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> > If block layer overhead is a problem, go ahead and optimize it instead > > of adding new interfaces to bypass it. Though I expect it wouldn't be > > needed, and if any optimization needs to be done it is in the swap > > layer. > > Optimizing swap has the additional benefit of improving performance on > > flash-backed swap. > > : > > What happens when no tmem is available? you swap to a volume. That's > > the disk size needed. > > : > > You're dynamic swap is limited too. And no, no guest modifications. > > You keep saying you are going to implement all of the dynamic features > of frontswap with no changes to the guest and no copying and no > host-swapping. You are being disingenuous. VMware has had a lot
I don't see why no copying is a requirement. I believe requirement should be "it is fast enough". Pavel -- (english) http://www.livejournal.com/~pavelmachek (cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html
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