From mboxrd@z Thu Jan  1 00:00:00 1970
Return-Path: <owner-linux-mm@kvack.org>
Received: from psmtp.com (na3sys010amx206.postini.com [74.125.245.206])
	by kanga.kvack.org (Postfix) with SMTP id B79F06B00F4
	for <linux-mm@kvack.org>; Fri, 25 May 2012 16:36:15 -0400 (EDT)
Date: Fri, 25 May 2012 16:26:56 -0400
From: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Subject: Re: [PATCH 03/35] xen: document Xen is using an unused bit for the
 pagetables
Message-ID: <20120525202656.GA23655@phenom.dumpdata.com>
References: <1337965359-29725-1-git-send-email-aarcange@redhat.com>
 <1337965359-29725-4-git-send-email-aarcange@redhat.com>
MIME-Version: 1.0
Content-Type: text/plain; charset=us-ascii
Content-Disposition: inline
In-Reply-To: <1337965359-29725-4-git-send-email-aarcange@redhat.com>
Sender: owner-linux-mm@kvack.org
List-ID: <linux-mm.kvack.org>
To: Andrea Arcangeli <aarcange@redhat.com>
Cc: linux-kernel@vger.kernel.org, linux-mm@kvack.org, Hillf Danton <dhillf@gmail.com>, Dan Smith <danms@us.ibm.com>, Peter Zijlstra <a.p.zijlstra@chello.nl>, 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>, Bharata B Rao <bharata.rao@gmail.com>, Lee Schermerhorn <Lee.Schermerhorn@hp.com>, Rik van Riel <riel@redhat.com>, Johannes Weiner <hannes@cmpxchg.org>, Srivatsa Vaddagiri <vatsa@linux.vnet.ibm.com>, Christoph Lameter <cl@linux.com>

On Fri, May 25, 2012 at 07:02:07PM +0200, Andrea Arcangeli wrote:
> Xen has taken over the last reserved bit available for the pagetables
> which is set through ioremap, this documents it and makes the code
> more readable.

Andrea, my previous respone had a question about this - was wondering
if you had a chance to look at that in your busy schedule and provide
some advice on how to remove the _PAGE_IOMAP altogether?

--
To unsubscribe, send a message with 'unsubscribe linux-mm' in
the body to majordomo@kvack.org.  For more info on Linux MM,
see: http://www.linux-mm.org/ .
Fight unfair telecom internet charges in Canada: sign http://stopthemeter.ca/
Don't email: <a href=mailto:"dont@kvack.org"> email@kvack.org </a>