linux-kernel - Re: [PATCH] SLUB: Fix __GFP

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Message-ID: <84144f020911251219lb60a4c5s618b791a50824958@mail.gmail.com>
Date:	Wed, 25 Nov 2009 22:19:44 +0200
From:	Pekka Enberg <penberg@...helsinki.fi>
To:	Christoph Lameter <cl@...ux-foundation.org>
Cc:	Joe Perches <joe@...ches.com>, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] SLUB: Fix __GFP_ZERO unlikely() annotation

On Wed, Nov 25, 2009 at 10:15 PM, Christoph Lameter
<cl@...ux-foundation.org> 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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