On Wed, 2 May 2007, Andrew Morton wrote:

> > At some point I dream that SLUB could become the default but I thought 
> > this would take at least 6 month or so. If want to force this now then I 
> > will certainly have some busy weeks ahead.
> 
> s/dream/promise/ ;)
> 
> Six months sounds reasonable - I was kind of hoping for less.  Make it
> default-to-on in 2.6.23-rc1, see how it goes.

Here is how I think the future could develop

Cycle   SLAB            SLUB            SLOB            SLxB

2.6.22  API fixes       Stabilization   API fixes

Major event: SLUB availability as experimental

2.6.23  API upgrades    Perf. Valid.    EOL

Major events: SLUB performance validation. Switch off
        experimental (could even be the default) 
        Slab allocators support targeted reclaim for at
        least one slab cache (dentry?)
        (vacate/move all objects in a slab)

2.6.24  Earliest EOL    Stable          -               Experiments

Major events: SLUB stable. Stable targeted reclaim
                for all major reclaimable slabs.
                Maybe experiments with another new allocator?

2.6.25  EOL             default         -               ?

Death of SLAB. SLUB default. Hopefully new ideas on the horizon.

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