Messages in this thread | | | Date | Tue, 27 Apr 2010 14:55:03 +0200 | From | Pavel Machek <> | Subject | Re: Frontswap [PATCH 0/4] (was Transcendent Memory): overview |
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Hi!
> > Can we extend it? Adding new APIs is easy, but harder to maintain in > > the long term. > > Umm... I think the difference between a "new" API and extending > an existing one here is a choice of semantics. As designed, frontswap > is an extremely simple, only-very-slightly-intrusive set of hooks that > allows swap pages to, under some conditions, go to pseudo-RAM instead ... > "Extending" the existing swap API, which has largely been untouched for > many years, seems like a significantly more complex and error-prone > undertaking that will affect nearly all Linux users with a likely long > bug tail. And, by the way, there is no existence proof that it > will be useful.
> Seems like a no-brainer to me.
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. Pavel -- (english) http://www.livejournal.com/~pavelmachek (cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html
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