linux-kernel - Re: [PATCH] kmemleak: add unlikely() optimization to kmemleak_late

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Date:	Wed, 22 Sep 2010 11:06:35 +0100
From:	Catalin Marinas <catalin.marinas@....com>
To:	dave@....org
Cc:	LKML <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] kmemleak: add unlikely() optimization to kmemleak_late_init

Davidlohr Bueso <dave@....org> wrote:
> kmemleak: add unlikely() optimization to kmemleak_late_init()
>
> Since there it is not very probable that kmemleak_disable() was called right after setting kmemleak_initialized, we could benefit from predicting it.

The patch is correct and you can add my Acked-by but I don't really
think it's worth. We save ~2 cycles during booting, no-one would ever
notice.

-- 
Catalin
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