Re: [PATCH 0/7] slub: Fastpath optimization (especially for RT) V1
From: Christoph Lameter
Date: Thu Dec 11 2014 - 10:03:31 EST
On Thu, 11 Dec 2014, Jesper Dangaard Brouer wrote:
> It looks like an impressive saving 116 -> 60 cycles. I just don't see
> the same kind of improvements with my similar tests.
This is particularly for a CONFIG_PREEMPT kernel. There will be no effect
on !CONFIG_PREEMPT I hope.
> I do see the improvement, but it is not as high as I would have expected.
Do you have CONFIG_PREEMPT set?
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