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Date: Mon, 13 Oct 2014 02:43:57 +0900
Message-ID: <CAAmzW4Pc=i9zHh5133Zc1rDRM1vaot18xXYwoMk8tTGtttwFgw@mail.gmail.com>
Subject: Re: unaligned accesses in SLAB etc.
From: Joonsoo Kim <js1304@gmail.com>
To: David Miller <davem@davemloft.net>
Cc: LKML <linux-kernel@vger.kernel.org>, Christoph Lameter <cl@linux.com>,
        Pekka Enberg <penberg@kernel.org>,
        David Rientjes <rientjes@google.com>,
        Joonsoo Kim <iamjoonsoo.kim@lge.com>,
        Andrew Morton <akpm@linux-foundation.org>,
        Linux Memory Management List <linux-mm@kvack.org>
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Sender: linux-kernel-owner@vger.kernel.org

2014-10-13 2:30 GMT+09:00 David Miller <davem@davemloft.net>:
> From: Joonsoo Kim <js1304@gmail.com>
> Date: Mon, 13 Oct 2014 02:22:15 +0900
>
>> Could you test below patch?
>> If it fixes your problem, I will send it with proper description.
>
> It works, I just tested using ARCH_KMALLOC_MINALIGN which would be
> better.

Oops. resend with whole Cc list.

Thanks for testing.
ARCH_KMALLOC_MINALIGN is for object alignment,
but, current problem is caused by alignment of cpu cache array.
I think that my fix is more proper in this situation.
I will send fix tomorrow,
because I'd like to test more and it's 2:42 am. :)

Thanks.
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