From mboxrd@z Thu Jan  1 00:00:00 1970
From: Eric Dumazet <eric.dumazet@gmail.com>
Subject: Re: hackbench regression due to commit 9dfc6e68bfe6e
Date: Wed, 07 Apr 2010 20:38:04 +0200
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Cc: Pekka Enberg <penberg@cs.helsinki.fi>,
	"Zhang, Yanmin" <yanmin_zhang@linux.intel.com>,
	netdev <netdev@vger.kernel.org>, Tejun Heo <tj@kernel.org>,
	alex.shi@intel.com,
	"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
	"Ma, Ling" <ling.ma@intel.com>,
	"Chen, Tim C" <tim.c.chen@intel.com>,
	Andrew Morton <akpm@linux-foundation.org>
To: Christoph Lameter <cl@linux-foundation.org>
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Le mercredi 07 avril 2010 =C3=A0 13:20 -0500, Christoph Lameter a =C3=A9=
crit :
> On Wed, 7 Apr 2010, Pekka Enberg wrote:
>=20
> > Oh, sorry, I think it's actually '____cacheline_aligned_in_smp' (wi=
th four
> > underscores) for per-cpu data. Confusing...
>=20
> This does not particulary help to clarify the situation since we are
> dealing with data that can either be allocated via the percpu allocat=
or or
> be statically present (kmalloc bootstrap situation).
>=20
> --

Do we have a user program to check actual L1 cache size of a machine ?

I remember my HP blades have many BIOS options, I would like to make
sure they are properly set.