From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from psmtp.com (na3sys010amx179.postini.com [74.125.245.179]) by kanga.kvack.org (Postfix) with SMTP id 0F3A26B0069 for ; Thu, 17 Jan 2013 08:48:15 -0500 (EST) Message-ID: <50F800EB.6040104@web.de> Date: Thu, 17 Jan 2013 14:47:23 +0100 From: Soeren Moch MIME-Version: 1.0 Subject: Re: [PATCH v2] mm: dmapool: use provided gfp flags for all dma_alloc_coherent() calls References: <20121119144826.f59667b2.akpm@linux-foundation.org> <20130116024014.GH25500@titan.lakedaemon.net> <50F61D86.4020801@web.de> <201301171049.30415.arnd@arndb.de> In-Reply-To: <201301171049.30415.arnd@arndb.de> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Sender: owner-linux-mm@kvack.org List-ID: To: Arnd Bergmann Cc: Jason Cooper , Greg KH , Thomas Petazzoni , Andrew Lunn , KAMEZAWA Hiroyuki , linux-kernel@vger.kernel.org, Michal Hocko , linux-mm@kvack.org, Kyungmin Park , Mel Gorman , Andrew Morton , Marek Szyprowski , linaro-mm-sig@lists.linaro.org, linux-arm-kernel@lists.infradead.org, Sebastian Hesselbarth On 17.01.2013 11:49, Arnd Bergmann wrote: > On Wednesday 16 January 2013, Soeren Moch wrote: >>>> I will see what I can do here. Is there an easy way to track the buffer >>>> usage without having to wait for complete exhaustion? >>> >>> DMA_API_DEBUG >> >> OK, maybe I can try this. >>> > > Any success with this? It should at least tell you if there is a > memory leak in one of the drivers. Not yet, sorry. I have to do all the tests in my limited spare time. Can you tell me what to search for in the debug output? Soeren -- 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/ . Don't email: email@kvack.org