linux-kernel - Re: [PATCH] slub: Fix sysfs circular locking dependency

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Date:	Tue, 11 Jan 2011 09:47:20 +0900
From:	KAMEZAWA Hiroyuki <kamezawa.hiroyu@...fujitsu.com>
To:	Christoph Lameter <cl@...ux.com>
Cc:	Pekka Enberg <penberg@...nel.org>,
	David Rientjes <rientjes@...gle.com>,
	Bart Van Assche <bvanassche@....org>,
	linux-kernel@...r.kernel.org,
	Andrew Morton <akpm@...ux-foundation.org>
Subject: Re: [PATCH] slub: Fix sysfs circular locking dependency

On Mon, 10 Jan 2011 10:12:09 -0600 (CST)
Christoph Lameter <cl@...ux.com> wrote:

> On Sat, 8 Jan 2011, Pekka Enberg wrote:
> 
> > On Fri, Jan 7, 2011 at 10:34 PM, David Rientjes <rientjes@...gle.com> wrote:
> > >  [ Should probably be seperated out into two patches, one for the
> > >   memory hotplug locking addition and one for the slub fix, both
> > >   should be pushed during this merge window.  If so, a comment
> > >   describing the new semantics of lock_memory_hotplug() to protect
> > >   data structures that may be modified in hotplug notifier
> > >   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?

will do.

Thanks,
-Kame

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