On Thu, 22 Feb 2007, Andi Kleen wrote: > > SLUB does not need a cache reaper for UP systems. > > This means constructors/destructors are becomming worthless? > Can you describe your rationale why you think they don't make > sense on UP?
Cache reaping has nothing to do with constructors and destructors. SLUB fully supports constructors and destructors. > > G. Slab merging > > > > We often have slab caches with similar parameters. SLUB detects those > > on bootup and merges them into the corresponding general caches. This > > leads to more effective memory use. > > Did you do any tests on what that does to long term memory fragmentation? > It is against the "object of same type have similar livetime and should > be clustered together" theory at least. I have done no tests in that regard and we would have to assess the impact that the merging has to overall system behavior. - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/