linux-kernel - Re: stable: mm: vmstat: use a single setter function and callback for adjusting percpu thresholds

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Message-ID: <20110304001826.GA2429@kroah.com>
Date:	Thu, 3 Mar 2011 16:18:26 -0800
From:	Greg KH <greg@...ah.com>
To:	Mel Gorman <mel@....ul.ie>
Cc:	akpm@...ux-foundation.org,
	"Nadolski, Edmund" <edmund.nadolski@...el.com>,
	Greg KH <gregkh@...e.de>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"Williams, Dan J" <dan.j.williams@...el.com>,
	Christoph Lameter <cl@...ux.com>,
	KAMEZAWA Hiroyuki <kamezawa.hiroyu@...fujitsu.com>,
	KOSAKI Motohiro <kosaki.motohiro@...fujitsu.com>,
	stable@...nel.org, linux-mm@...ck.org
Subject: Re: stable: mm: vmstat: use a single setter function and callback
 for adjusting percpu thresholds

On Thu, Mar 03, 2011 at 11:03:24AM +0000, Mel Gorman wrote:
> Edmund Nadolski reported the same problem Kosaki did against the commit
> [88f5acf8: mm: page allocator: adjust the per-cpu counter threshold when
> memory is low] whereby kswapd was in an inconsistent locking state due
> to calling get_online_cpus(): See https://lkml.org/lkml/2011/3/2/398 for
> details. This is already fixed upstream by commit [b44129b3: mm: vmstat: use
> a single setter function and callback for adjusting percpu thresholds]. Unless
> there is an objection, can this be picked up for 2.6.37-stable please?
> Ideally it would apply against 2.6.36.x as well but that release is no
> longer maintained.

Now queued up, thanks.

greg k-h
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