Messages in this thread | | | Date | Sat, 10 May 2008 22:15:15 -0400 | From | Rik van Riel <> | Subject | Re: [patch 21/21] slab defrag: Obsolete SLAB |
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On Sat, 10 May 2008 11:53:30 +0200 Andi Kleen <andi@firstfloor.org> wrote:
> Christoph Lameter wrote: > > Slab defragmentation introduces new functionality not supported by SLAB and > > SLOB. > > > > Make slab depend on EXPERIMENTAL and note its obsoleteness and that > > various functionality is not supported by SLAB. > > > > Also update SLOB's description a bit to indicate that certain OS > > support is limited by design. > > What about the TPC performance regressions? My understanding was that > slub still performed worse in the "object allocated on one CPU, freed on > the other CPU" type workloads due to less batching.
Which can be the majority of object allocations and frees in some workloads. It definately wants fixing.
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