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Date: Mon, 10 Jan 2011 10:12:09 -0600 (CST)
From: Christoph Lameter <cl@linux.com>
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To: Pekka Enberg <penberg@kernel.org>
cc: David Rientjes <rientjes@google.com>,
        KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>,
        Bart Van Assche <bvanassche@acm.org>, linux-kernel@vger.kernel.org,
        Andrew Morton <akpm@linux-foundation.org>
Subject: Re: [PATCH] slub: Fix sysfs circular locking dependency
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On Sat, 8 Jan 2011, Pekka Enberg wrote:

> On Fri, Jan 7, 2011 at 10:34 PM, David Rientjes <rientjes@google.com> wro=
te:
> > =A0[ Should probably be seperated out into two patches, one for the
> > =A0 memory hotplug locking addition and one for the slub fix, both
> > =A0 should be pushed during this merge window. =A0If so, a comment
> > =A0 describing the new semantics of lock_memory_hotplug() to protect
> > =A0 data structures that may be modified in hotplug notifier
> > =A0 callbacks would be appreciated. ]
>
> Agreed.

Kame-san: Could you do the hotplug piece and the description of the use
of the memory hotplug locks to protect extensions of data structures for
new nodes?

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