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From: Linus Torvalds <torvalds@linux-foundation.org>
Date: Fri, 21 Dec 2012 16:36:36 -0800
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Subject: Re: [patch] mm, mempolicy: Introduce spinlock to read shared policy tree
To: Mel Gorman <mgorman@suse.de>
Cc: David Rientjes <rientjes@google.com>, Ingo Molnar <mingo@kernel.org>,
        Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
        linux-mm <linux-mm@kvack.org>, Peter Zijlstra <a.p.zijlstra@chello.nl>,
        Paul Turner <pjt@google.com>,
        Lee Schermerhorn <Lee.Schermerhorn@hp.com>,
        Christoph Lameter <cl@linux.com>, Rik van Riel <riel@redhat.com>,
        Andrew Morton <akpm@linux-foundation.org>,
        Andrea Arcangeli <aarcange@redhat.com>,
        Thomas Gleixner <tglx@linutronix.de>,
        Johannes Weiner <hannes@cmpxchg.org>, Hugh Dickins <hughd@google.com>,
        Sasha Levin <levinsasha928@gmail.com>,
        KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>
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Ok, this looks fine to me, but I'd like to get a sign-off from Kosaki
too, and I guess it's really not all that urgent, so I can do the -rc1
release tonight without worrying about it, knowing that a fix is at
least pending, and that nobody is likely to actually ever hit the
problem in practice anyway.

             Linus

On Fri, Dec 21, 2012 at 3:10 PM, Mel Gorman <mgorman@suse.de> wrote:
>
> mm: mempolicy: Convert shared_policy mutex to spinlock