Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756683Ab1EWRjN (ORCPT ); Mon, 23 May 2011 13:39:13 -0400 Received: from mail4.comsite.net ([205.238.176.238]:64817 "EHLO mail4.comsite.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756167Ab1EWRjM (ORCPT ); Mon, 23 May 2011 13:39:12 -0400 X-Default-Received-SPF: pass (skip=forwardok (res=PASS)) x-ip-name=71.22.127.106; From: Milton Miller To: Dave Carroll CC: LPPC , Paul Mackerras , LKML , "Benjamin Herrenschmidt" Subject: RE: [ v4] powerpc: Force page alignment for initrd reserved memory Message-ID: In-Reply-To: <522F24EF533FC546962ECFA2054FF777373072AB78@MAILSERVER2.cos.astekcorp.com> References: <522F24EF533FC546962ECFA2054FF777373072AB75@MAILSERVER2.cos.astekcorp.com> <522F24EF533FC546962ECFA2054FF777373072AB78@MAILSERVER2.cos.astekcorp.com> Date: Mon, 23 May 2011 12:39:06 -0500 X-Originating-IP: 71.22.127.106 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1133 Lines: 33 On Mon, 23 May 2011 about 10:50:07 -0600, Dave Carroll wrote: > I'm withdrawing this patch for the moment, due to two areas that need > further research; > > 1) An adjacent FDT blob, as mentioned by Milton Miller, and > Ok ... by the way, see move_device_tree() in arch/powerpc/kernel/prom.c > 2) Potential interaction with the crash kernel, as used in > init/initramfs.c which already goes around the start and end of crashk_res, which is adjusted to PAGE_ALIGN in reserve_crashkernel() in machine_kexec.c > If anyone sees other interactions, please feel free to let me know ... > > Thanks, > -Dave Carroll One interaction that I have ignored is preserve_initrd overlapping crash kernel. Loading the crash kernel destroys the preserved initrd. But that is beyond the scope of your current patch (and probably a seperate patch, with cross-architecture scope). milton -- 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/