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Date: Tue, 10 Jul 2007 19:11:05 +1000
From: Nick Piggin <nickpiggin@yahoo.com.au>
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To: =?ISO-8859-1?Q?H=E5vard_Skinnemoen?= <hskinnemoen@gmail.com>
CC: Matt Mackall <mpm@selenic.com>, Christoph Lameter <clameter@sgi.com>,
       Andrew Morton <akpm@linux-foundation.org>, Ingo Molnar <mingo@elte.hu>,
       linux-kernel@vger.kernel.org, linux-mm@vger.kernel.org,
       suresh.b.siddha@intel.com, corey.d.gough@intel.com,
       Pekka Enberg <penberg@cs.helsinki.fi>,
       Denis Vlasenko <vda.linux@googlemail.com>,
       Erik Andersen <andersen@codepoet.org>
Subject: Re: [patch 09/10] Remove the SLOB allocator for 2.6.23
References: <20070708075119.GA16631@elte.hu> <4691A415.6040208@yahoo.com.au>	 <Pine.LNX.4.64.0707090901410.13970@schroedinger.engr.sgi.com>	 <20070709095116.c2ea700f.akpm@linux-foundation.org>	 <Pine.LNX.4.64.0707091017210.15962@schroedinger.engr.sgi.com>	 <4692E44E.6000606@yahoo.com.au>	 <Pine.LNX.4.64.0707091852030.2860@schroedinger.engr.sgi.com>	 <4692E8B5.3030404@yahoo.com.au>	 <Pine.LNX.4.64.0707091905480.3108@schroedinger.engr.sgi.com>	 <20070710083212.GG11115@waste.org> <1defaf580707100201y3c2d21c5lc38165eedaa9be73@mail.gmail.com>
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Håvard Skinnemoen wrote:
> On 7/10/07, Matt Mackall <mpm@selenic.com> wrote:
> 
>> The only remaining known bug is arguably a problem in nommu that SLOB
>> shouldn't be papering over.
> 
> 
> I've got another one for you: SLOB ignores ARCH_KMALLOC_MINALIGN so
> using SLOB in combination with DMA and non-coherent architectures
> causes data corruption.

Should be fixed in mm, I believe: slob-improved-alignment-handling.patch

-- 
SUSE Labs, Novell Inc.