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

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Date:	Mon, 25 Jun 2007 16:41:12 +1000
From:	Nick Piggin <nickpiggin@...oo.com.au>
To:	Andrew Morton <akpm@...ux-foundation.org>
CC:	Christoph Lameter <clameter@....com>, 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.

Andrew Morton wrote:
> On Tue, 19 Jun 2007 15:38:01 -0700 (PDT)
> Christoph Lameter <clameter@....com> wrote:
> 
> 
>>Ok and BUILD_BUG_ON really works? Had some bad experiences with it.
> 
> 
> hm, I don't recall any problems, apart from its very obscure error
> reporting.
> 
> But if it breaks, we get an opportunity to fix it ;)

It doesn't work outside function scope, which can be annoying. The
workaround is to just create a dummy function and put the BUILD_BUG_ON
inside that.

-- 
SUSE Labs, Novell Inc.
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