From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from bay0-omc1-s13.bay0.hotmail.com (bay0-omc1-s13.bay0.hotmail.com [65.54.246.85]) by ozlabs.org (Postfix) with ESMTP id 9F7FB67C26 for ; Wed, 15 Nov 2006 11:38:20 +1100 (EST) Message-ID: In-Reply-To: <28501EDE-38C4-45FB-8B23-7E01A1815407@kernel.crashing.org> From: "M Ptich" To: galak@kernel.crashing.org Subject: Re: Low memory not pageable on Freescale BookE Date: Wed, 15 Nov 2006 00:38:14 +0000 Mime-Version: 1.0 Content-Type: text/plain; format=flowed Cc: linuxppc-dev@ozlabs.org List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , >Why do you need low kernel memory to be pageable? Mainly for debugging purposes - this way we can have guardbands for our application stacks, and also for proprietary software that tracks memory accesses (for corruption detection). -Ptich >>For our application, we need low memory to be mapped with pages, but it >>turned out that Freescale BookE maps it with TLB1. Was there any >>particular >>reason why ? I am thinking of changing it, but wondering if there was >>something fundamental behind it. > >Why do you need low kernel memory to be pageable? > >- kumar _________________________________________________________________ All-in-one security and maintenance for your PC. Get a free 90-day trial! http://clk.atdmt.com/MSN/go/msnnkwlo0050000002msn/direct/01/?href=http://www.windowsonecare.com/?sc_cid=msn_hotmail