From mboxrd@z Thu Jan 1 00:00:00 1970 From: Ameya Palande Subject: Re: [PATCH 1/1] DSPBRIDGE: move platform_device_register under mach-omap2 Date: Wed, 25 Mar 2009 15:16:59 +0200 Message-ID: <49CA2ECB.5040204@nokia.com> References: <1237981895-9269-1-git-send-email-Hiroshi.DOYU@nokia.com> <8F7AF80515AF0D4D93307E594F3CB40E2349AE08@dlee03.ent.ti.com> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Return-path: Received: from smtp.nokia.com ([192.100.105.134]:60628 "EHLO mgw-mx09.nokia.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753508AbZCYNR1 (ORCPT ); Wed, 25 Mar 2009 09:17:27 -0400 In-Reply-To: <8F7AF80515AF0D4D93307E594F3CB40E2349AE08@dlee03.ent.ti.com> Sender: linux-omap-owner@vger.kernel.org List-Id: linux-omap@vger.kernel.org To: "ext Kanigeri, Hari" Cc: "Doyu Hiroshi (Nokia-D/Helsinki)" , "linux-omap@vger.kernel.org" , "2ameya@gmail.com" <2ameya@gmail.com> ext Kanigeri, Hari wrote: > Thanks, Doyu-San. > > I am still going through the patch, but one quick question regarding this. One of the requirements of DSP memory pool is that it should be physically contiguous and non-cacheable. I hope the below patch is taking care of this requirement. > > Thank you, > Best regards, > Hari > Hi Hari, I just checked __alloc_bootmem_nopanic() function. I think memory allocated by that function is physically contiguous since page frames are allocated in sequential order. But I didn't get any information about page cacheing :( Cheers, Ameya.