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Date: Tue, 28 Apr 2009 13:47:07 -0700
Message-ID: <12c511ca0904281347m394b04e0mcb61f7c336752cc4@mail.gmail.com>
Subject: Re: [PATCH 5/5] proc: export more page flags in /proc/kpageflags
From: Tony Luck <tony.luck@gmail.com>
To: Matt Mackall <mpm@selenic.com>
Cc: Wu Fengguang <fengguang.wu@intel.com>, Ingo Molnar <mingo@elte.hu>,
       Steven Rostedt <rostedt@goodmis.org>,
       =?ISO-8859-1?Q?Fr=E9d=E9ric_Weisbecker?= <fweisbec@gmail.com>,
       Larry Woodman <lwoodman@redhat.com>,
       Peter Zijlstra <a.p.zijlstra@chello.nl>,
       Pekka Enberg <penberg@cs.helsinki.fi>,
       Eduard - Gabriel Munteanu <eduard.munteanu@linux360.ro>,
       Andrew Morton <akpm@linux-foundation.org>,
       LKML <linux-kernel@vger.kernel.org>,
       KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>,
       Andi Kleen <andi@firstfloor.org>, Alexey Dobriyan <adobriyan@gmail.com>,
       "linux-mm@kvack.org" <linux-mm@kvack.org>
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On Tue, Apr 28, 2009 at 11:34 AM, Matt Mackall <mpm@selenic.com> wrote:
> Bah. The rate of change is proportional to #cpus, not #pages. Assuming
> you've got 1024 processors, you could run the scan in parallel in .2
> seconds still.

That would help ... it would also make the patch to support this
functionality a lot more complex.

-Tony
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