From mboxrd@z Thu Jan  1 00:00:00 1970
From: Christoph Lameter <cl@linux-foundation.org>
Subject: Re: hackbench regression due to commit 9dfc6e68bfe6e
Date: Wed, 7 Apr 2010 13:20:45 -0500 (CDT)
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Cc: "Zhang, Yanmin" <yanmin_zhang@linux.intel.com>,
	Eric Dumazet <eric.dumazet@gmail.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: Pekka Enberg <penberg@cs.helsinki.fi>
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On Wed, 7 Apr 2010, Pekka Enberg wrote:

> Oh, sorry, I think it's actually '____cacheline_aligned_in_smp' (with four
> underscores) for per-cpu data. Confusing...

This does not particulary help to clarify the situation since we are
dealing with data that can either be allocated via the percpu allocator or
be statically present (kmalloc bootstrap situation).