linux-kernel - Re: [patch 10/26] SLUB: Faster more efficient slab determination for _

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Message-Id: <20070619152957.a03fbb2c.akpm@linux-foundation.org>
Date:	Tue, 19 Jun 2007 15:29:57 -0700
From:	Andrew Morton <akpm@...ux-foundation.org>
To:	Christoph Lameter <clameter@....com>
Cc:	linux-kernel@...r.kernel.org, linux-mm@...ck.org,
	Pekka Enberg <penberg@...helsinki.fi>,
	suresh.b.siddha@...el.com
Subject: Re: [patch 10/26] SLUB: Faster more efficient slab determination
 for __kmalloc.

On Tue, 19 Jun 2007 15:22:36 -0700 (PDT)
Christoph Lameter <clameter@....com> wrote:

> On Tue, 19 Jun 2007, Andrew Morton wrote:
> 
> > On Mon, 18 Jun 2007 02:58:48 -0700
> > clameter@....com wrote:
> > 
> > > +	BUG_ON(KMALLOC_MIN_SIZE > 256 ||
> > > +		(KMALLOC_MIN_SIZE & (KMALLOC_MIN_SIZE - 1)));
> > 
> > BUILD_BUG_ON?
> > 
> Does not matter. That code is __init.

Finding out at compile time is better.
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