Re: [PATCH 1/3 v2] slub: prefetch next freelist pointer in__slab_alloc()

From: Eric Dumazet
Date: Wed Jul 04 2012 - 11:26:19 EST


On Wed, 2012-07-04 at 18:08 +0300, Pekka Enberg wrote:

> That doesn't seem like that obvious win to me... Eric, Christoph?

Its the slow path. I am not convinced its useful on real workloads (not
a benchmark)

I mean, if a workload hits badly slow path, some more important work
should be done to avoid this at a higher level.


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