From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from nausicaa2.coritel.it (host254-130-static.190-82-b.business.telecomitalia.it [82.190.130.254]) by ozlabs.org (Postfix) with ESMTP id AE5CEDE009 for ; Thu, 17 Jul 2008 17:49:45 +1000 (EST) Message-ID: <487EFA1E.8060804@coritel.it> Date: Thu, 17 Jul 2008 09:51:58 +0200 From: Marco Stornelli MIME-Version: 1.0 To: Misbah khan Subject: Re: how to allocate 9MB of memory in kernel ? References: <18503022.post@talk.nabble.com> In-Reply-To: <18503022.post@talk.nabble.com> Content-Type: text/plain; charset=us-ascii; format=flowed Cc: linuxppc-embedded@ozlabs.org List-Id: Linux on Embedded PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Misbah khan ha scritto: > Hi all, > > I need to allocate 9 MB of memory in to the kernel space which i need to > mmap for the application to access. > > I need to know what could be the best possible way of doing the same. > > Please share your experience in this regard . > > Thank you in advance > > ----Misbah <>< You can use the mem option to tell to the kernel that you've got less ram you really have. However you can read Linux device drivers chapter 8 "Obtaining Large Buffers" :). Regards, -- Marco Stornelli Embedded Software Engineer CoRiTeL - Consorzio di Ricerca sulle Telecomunicazioni http://www.coritel.it marco.stornelli@coritel.it +39 06 72582838