From: Matt Mackall <mpm@selenic.com>
To: Sebastian Andrzej Siewior <sebastian@breakpoint.cc>
Cc: Christoph Lameter <cl@linux-foundation.org>,
Pekka Enberg <penberg@kernel.org>,
linux-mm@kvack.org, "David S. Miller" <davem@davemloft.net>,
netfilter@vger.kernel.org
Subject: Re: [PATCH] slob: push the min alignment to long long
Date: Wed, 15 Jun 2011 15:24:26 -0500 [thread overview]
Message-ID: <1308169466.15617.378.camel@calx> (raw)
In-Reply-To: <20110615201202.GB19593@Chamillionaire.breakpoint.cc>
On Wed, 2011-06-15 at 22:12 +0200, Sebastian Andrzej Siewior wrote:
> * Matt Mackall | 2011-06-14 17:05:40 [-0500]:
>
> >Ok, so you claim that ARCH_KMALLOC_MINALIGN is not set on some
> >architectures, and thus SLOB does the wrong thing.
> >
> >Doesn't that rather obviously mean that the affected architectures
> >should define ARCH_KMALLOC_MINALIGN? Because, well, they have an
> >"architecture-specific minimum kmalloc alignment"?
>
> nope, if nothing is defined SLOB asumes that alignment of long is the way
> go. Unfortunately alignment of u64 maybe larger than of u32.
I understand that. I guess we have a different idea of what constitutes
"architecture-specific" and what constitutes "normal".
But I guess I can be persuaded that most architectures now expect 64-bit
alignment of u64s.
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next prev parent reply other threads:[~2011-06-15 20:24 UTC|newest]
Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-06-14 20:10 [PATCH] slob: push the min alignment to long long Sebastian Andrzej Siewior
2011-06-14 20:40 ` Christoph Lameter
2011-06-14 21:16 ` Christoph Lameter
2011-06-15 20:06 ` Sebastian Andrzej Siewior
2011-06-16 16:48 ` Pekka Enberg
2011-06-22 23:41 ` David Rientjes
2011-06-23 14:36 ` Christoph Lameter
2011-06-23 20:24 ` David Rientjes
2011-06-14 22:05 ` Matt Mackall
2011-06-15 20:12 ` Sebastian Andrzej Siewior
2011-06-15 20:24 ` Matt Mackall [this message]
2011-06-15 20:40 ` Pekka Enberg
2011-06-15 20:55 ` Matt Mackall
2011-06-15 22:11 ` David Miller
2011-06-15 22:53 ` Matt Mackall
2011-06-16 6:59 ` Pekka Enberg
2011-06-16 15:23 ` Matt Mackall
2011-06-16 15:28 ` Pekka Enberg
2011-06-15 22:08 ` David Miller
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