Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755004Ab2BFMv5 (ORCPT ); Mon, 6 Feb 2012 07:51:57 -0500 Received: from mail-we0-f174.google.com ([74.125.82.174]:46516 "EHLO mail-we0-f174.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754381Ab2BFMvz convert rfc822-to-8bit (ORCPT ); Mon, 6 Feb 2012 07:51:55 -0500 MIME-Version: 1.0 In-Reply-To: References: <1328271538-14502-1-git-send-email-m.szyprowski@samsung.com> <1328271538-14502-13-git-send-email-m.szyprowski@samsung.com> Date: Mon, 6 Feb 2012 20:51:54 +0800 Message-ID: Subject: Re: [PATCH 12/15] drivers: add Contiguous Memory Allocator From: Hillf Danton To: Michal Nazarewicz Cc: Marek Szyprowski , linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-media@vger.kernel.org, linux-mm@kvack.org, linaro-mm-sig@lists.linaro.org, Kyungmin Park , Russell King , Andrew Morton , KAMEZAWA Hiroyuki Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8BIT Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 802 Lines: 19 2012/2/5 Michal Nazarewicz : > On Sun, 05 Feb 2012 05:25:40 +0100, Hillf Danton wrote: >> >> Without boot mem reservation, what is the successful rate of CMA to >> serve requests of 1MiB, 2MiB, 4MiB and 8MiB chunks? > > > CMA will work as long as you manage to get some pageblocks marked as > MIGRATE_CMA and move all non-movable pages away.  You might try and get it > done after system has booted but we have not tried nor tested it. Better to include whatever test results in change log. And no more questions ;) -- 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/