Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1759394Ab1FASTr (ORCPT ); Wed, 1 Jun 2011 14:19:47 -0400 Received: from caramon.arm.linux.org.uk ([78.32.30.218]:43542 "EHLO caramon.arm.linux.org.uk" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753628Ab1FASTp (ORCPT ); Wed, 1 Jun 2011 14:19:45 -0400 Date: Wed, 1 Jun 2011 19:19:18 +0100 From: Russell King - ARM Linux To: David Rientjes Cc: Dmitry Eremin-Solenikov , KOSAKI Motohiro , linux-mm@kvack.org, linux-kernel@vger.kernel.org, Mel Gorman , KAMEZAWA Hiroyuki , Rik van Riel , Andrew Morton Subject: Re: [PATCH] Make GFP_DMA allocations w/o ZONE_DMA emit a warning instead of failing Message-ID: <20110601181918.GO3660@n2100.arm.linux.org.uk> References: <1306922672-9012-1-git-send-email-dbaryshkov@gmail.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.5.19 (2009-01-05) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 975 Lines: 21 On Wed, Jun 01, 2011 at 10:23:15AM -0700, David Rientjes wrote: > On Wed, 1 Jun 2011, Dmitry Eremin-Solenikov wrote: > > > I've hit this with IrDA driver on PXA. Also I've seen the report regarding > > other ARM platform (ep-something). Thus I've included Russell in the cc. > > > > So you want to continue to allow the page allocator to return pages from > anywhere, even when GFP_DMA is specified, just as though it was lowmem? No. What *everyone* is asking for is to allow the situation which has persisted thus far to continue for ONE MORE RELEASE but with a WARNING so that these problems can be found without causing REGRESSIONS. That is NOT an unreasonable request, but it seems that its far too much to ask of you. -- 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/