Messages in this thread | | | Date | Thu, 29 Apr 2010 15:02:31 +0200 | From | Pavel Machek <> | Subject | Re: Frontswap [PATCH 0/4] (was Transcendent Memory): overview |
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Hi!
> > Stop right here. Instead of improving existing swap api, you just > > create one because it is less work. > > > > We do not want apis to cummulate; please just fix the existing one. > > > If we added all the apis that worked when proposed, we'd have > > unmaintanable mess by about 1996. > > > > Why can't frontswap just use existing swap api? > > Hi Pavel! > > The existing swap API as it stands is inadequate for an efficient > synchronous interface (e.g. for swapping to RAM). Both Nitin > and I independently have found this to be true. But swap-to-RAM
So... how much slower is swapping to RAM over current interface when compared to proposed interface, and how much is that slower than just using the memory directly? Pavel -- (english) http://www.livejournal.com/~pavelmachek (cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html
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