From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755970Ab2A0PRM (ORCPT ); Fri, 27 Jan 2012 10:17:12 -0500 Received: from mailout3.w1.samsung.com ([210.118.77.13]:59305 "EHLO mailout3.w1.samsung.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752628Ab2A0PRK (ORCPT ); Fri, 27 Jan 2012 10:17:10 -0500 MIME-version: 1.0 Content-transfer-encoding: 7BIT Content-type: text/plain; charset=us-ascii Date: Fri, 27 Jan 2012 16:17:03 +0100 From: Marek Szyprowski Subject: RE: [Linaro-mm-sig] [PATCH 12/15] drivers: add Contiguous Memory Allocator In-reply-to: To: "'Ohad Ben-Cohen'" Cc: "'Clark, Rob'" , "'Daniel Walker'" , "'Russell King'" , "'Arnd Bergmann'" , "'Jonathan Corbet'" , "'Mel Gorman'" , "'Jesse Barker'" , linux-kernel@vger.kernel.org, "'Michal Nazarewicz'" , "'Dave Hansen'" , linaro-mm-sig@lists.linaro.org, linux-mm@kvack.org, "'Kyungmin Park'" , "'KAMEZAWA Hiroyuki'" , "'Andrew Morton'" , linux-arm-kernel@lists.infradead.org, linux-media@vger.kernel.org Message-id: <010501ccdd06$b9844f20$2c8ced60$%szyprowski@samsung.com> Organization: SPRC X-Mailer: Microsoft Office Outlook 12.0 Content-language: pl Thread-index: AczdBEjs8DQtA0ycTbW8W50A1z3DcgAAcDpA References: <1327568457-27734-1-git-send-email-m.szyprowski@samsung.com> <1327568457-27734-13-git-send-email-m.szyprowski@samsung.com> <00de01ccdce1$e7c8a360$b759ea20$%szyprowski@samsung.com> <010301ccdd03$1ad15ab0$50741010$%szyprowski@samsung.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hello, On Friday, January 27, 2012 3:59 PM Ohad Ben-Cohen wrote: > 2012/1/27 Marek Szyprowski : > > Ohad, could you tell a bit more about your issue? > > Sure, feel free to ask. > > > Does this 'large region' > > is a device private region (declared with dma_declare_contiguous()) > > Yes, it is. > > See omap_rproc_reserve_cma() in: > > http://git.kernel.org/?p=linux/kernel/git/ohad/remoteproc.git;a=commitdiff;h=dab6a2584550a6297 > 46fa1dea2be8ffbe1910277 There have been some vmalloc layout changes merged to v3.3-rc1. Please check if the hardcoded OMAP_RPROC_CMA_BASE+CONFIG_OMAP_DUCATI_CMA_SIZE fits into kernel low-memory. Some hints you can find after the "Virtual kernel memory layout:" message during boot and using "cat /proc/iomem". Best regards -- Marek Szyprowski Samsung Poland R&D Center