Return-Path: <linux-kernel-owner+w=401wt.eu-S1757590AbXHJDs3@vger.kernel.org>
Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand
	id S1757590AbXHJDs3 (ORCPT <rfc822;w@1wt.eu>);
	Thu, 9 Aug 2007 23:48:29 -0400
Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1752337AbXHJDsU
	(ORCPT <rfc822;linux-kernel-outgoing>);
	Thu, 9 Aug 2007 23:48:20 -0400
Received: from netops-testserver-3-out.sgi.com ([192.48.171.28]:59376 "EHLO
	relay.sgi.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org
	with ESMTP id S1750736AbXHJDsT (ORCPT
	<rfc822;linux-kernel@vger.kernel.org>);
	Thu, 9 Aug 2007 23:48:19 -0400
Date: Thu, 9 Aug 2007 20:48:16 -0700 (PDT)
From: Christoph Lameter <clameter@sgi.com>
X-X-Sender: clameter@schroedinger.engr.sgi.com
To: Daniel Phillips <daniel.raymond.phillips@gmail.com>
cc: Daniel Phillips <phillips@phunq.net>,
       Peter Zijlstra <a.p.zijlstra@chello.nl>, Matt Mackall <mpm@selenic.com>,
       linux-kernel@vger.kernel.org, linux-mm@kvack.org,
       David Miller <davem@davemloft.net>,
       Andrew Morton <akpm@linux-foundation.org>,
       Daniel Phillips <phillips@google.com>
Subject: Re: [PATCH 02/10] mm: system wide ALLOC_NO_WATERMARK
In-Reply-To: <4a5909270708092034yaa0a583w70084ef93266df48@mail.gmail.com>
Message-ID: <Pine.LNX.4.64.0708092045120.27164@schroedinger.engr.sgi.com>
References: <20070806102922.907530000@chello.nl> 
 <Pine.LNX.4.64.0708061605400.5090@schroedinger.engr.sgi.com> 
 <200708061649.56487.phillips@phunq.net>  <Pine.LNX.4.64.0708071513290.3683@schroedinger.engr.sgi.com>
  <4a5909270708080037n32be2a73k5c28d33bb02f770b@mail.gmail.com> 
 <Pine.LNX.4.64.0708081106230.12652@schroedinger.engr.sgi.com> 
 <4a5909270708091141tb259eddyb2bba1270751ef1@mail.gmail.com> 
 <Pine.LNX.4.64.0708091146410.25220@schroedinger.engr.sgi.com> 
 <4a5909270708091717n2f93fcb5i284d82edfd235145@mail.gmail.com> 
 <Pine.LNX.4.64.0708091844450.3185@schroedinger.engr.sgi.com>
 <4a5909270708092034yaa0a583w70084ef93266df48@mail.gmail.com>
MIME-Version: 1.0
Content-Type: TEXT/PLAIN; charset=US-ASCII
Sender: linux-kernel-owner@vger.kernel.org
X-Mailing-List: linux-kernel@vger.kernel.org
Content-Length: 696
Lines: 16

On Thu, 9 Aug 2007, Daniel Phillips wrote:

> If you believe that the deadlock problems we address here can be
> better fixed by making reclaim more intelligent then please post a
> patch and we will test it.  I am highly skeptical, but the proof is in
> the patch.

Then please test the patch that I posted here earlier to reclaim even if 
PF_MEMALLOC is set. It may require some fixups but it should address your 
issues in most vm load situations.

-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/