Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1161617Ab3DKO4B (ORCPT ); Thu, 11 Apr 2013 10:56:01 -0400 Received: from mail-ie0-f180.google.com ([209.85.223.180]:40773 "EHLO mail-ie0-f180.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1161563Ab3DKOz6 (ORCPT ); Thu, 11 Apr 2013 10:55:58 -0400 MIME-Version: 1.0 In-Reply-To: <1365683207-42425-6-git-send-email-trenn@suse.de> References: <1365683207-42425-1-git-send-email-trenn@suse.de> <1365683207-42425-6-git-send-email-trenn@suse.de> Date: Thu, 11 Apr 2013 07:55:57 -0700 X-Google-Sender-Auth: SK9RAyRyUVJno9ond2FHvGOCEW8 Message-ID: Subject: Re: [PATCH 5/5] kexec: X86: Pass memory ranges via e820 table instead of memmap= boot parameter From: Yinghai Lu To: Thomas Renninger Cc: Simon Horman , "kexec@lists.infradead.org" , "H. Peter Anvin" , "Eric W. Biederman" , Vivek Goyal , Cliff Wickman , Linux Kernel Mailing List Content-Type: text/plain; charset=ISO-8859-1 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 713 Lines: 23 On Thu, Apr 11, 2013 at 5:26 AM, Thomas Renninger wrote: > Currently ranges are passed via kernel boot parameters: > memmap=exactmap memmap=X#Y memmap= > > Pass them via e820 table directly instead. how to address "saved_max_pfn" referring in kernel? kernel need to use saved_max_pfn from old e820 in drivers/char/mem.c::read_oldmem() mips and powerpc they are passing that from command line "savemaxmem=" x86 should use that too? Thanks Yinghai -- 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/