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Date: Mon, 19 Mar 2012 14:06:49 -0500 (CDT)
From: Christoph Lameter <cl@linux.com>
Subject: Re: [RFC][PATCH 10/26] mm, mpol: Make mempolicy home-node aware
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To: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Linus Torvalds <torvalds@linux-foundation.org>, Andrew Morton <akpm@linux-foundation.org>, Thomas Gleixner <tglx@linutronix.de>, Ingo Molnar <mingo@elte.hu>, Paul Turner <pjt@google.com>, Suresh Siddha <suresh.b.siddha@intel.com>, Mike Galbraith <efault@gmx.de>, "Paul E. McKenney" <paulmck@linux.vnet.ibm.com>, Lai Jiangshan <laijs@cn.fujitsu.com>, Dan Smith <danms@us.ibm.com>, Bharata B Rao <bharata.rao@gmail.com>, Lee Schermerhorn <Lee.Schermerhorn@hp.com>, Andrea Arcangeli <aarcange@redhat.com>, Rik van Riel <riel@redhat.com>, Johannes Weiner <hannes@cmpxchg.org>, linux-kernel@vger.kernel.org, linux-mm@kvack.org

On Mon, 19 Mar 2012, Peter Zijlstra wrote:

> > So the default system behavior would be MPOL_HOME_NODE but it could be
> > overriding by numactl to allow old apps to run as they are used to run.
>
> Ah, OK. Although that's a mightily confusing usage of the word DEFAULT.
> How about instead we make MPOL_LOCAL a real policy and allow explicitly
> setting that?

True. MPOL_LOCAL would be a good choice.

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