Re: [PATCH] SLUB: Fix __GFP_ZERO unlikely() annotation

From: Pekka Enberg
Date: Wed Nov 25 2009 - 15:19:52 EST


On Wed, Nov 25, 2009 at 10:15 PM, Christoph Lameter
<cl@xxxxxxxxxxxxxxxxxxxx> wrote:
> On Wed, 25 Nov 2009, Pekka Enberg wrote:
>
>> Because that has no effect on the generated code.
>
> Does this affect the cycle count in slab_alloc?

Joe's suggestion doesn't change the generated code, my patch does and
probably changes cycle count. Let me see if I can run the in-kernel
slab tests.
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