From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1759056AbYFZBFz (ORCPT ); Wed, 25 Jun 2008 21:05:55 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1756775AbYFZBBt (ORCPT ); Wed, 25 Jun 2008 21:01:49 -0400 Received: from py-out-1112.google.com ([64.233.166.176]:20470 "EHLO py-out-1112.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755411AbYFZBBp (ORCPT ); Wed, 25 Jun 2008 21:01:45 -0400 DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=from:reply-to:to:subject:date:user-agent:cc:references:in-reply-to :mime-version:content-type:content-transfer-encoding :content-disposition:message-id; b=kuXRdngu2WMBMz53g+DskUcHiJBUbIHrwjFfHJK9F9nAyiugt/DTZ9z35HaPLIkrMc p/VUHGX7mACgKGQ1uAme59CuE35EkLIldYNPAnMs9/1wBJY+XBRkGtMuW8YDt6K+Bz5v XUthrSDFCbvDa4U4eTZmLBHO82/IgGJ4DrZcw= From: Yinghai Lu Reply-To: Yinghai Lu To: Ingo Molnar , Thomas Gleixner , "H. Peter Anvin" Subject: [PATCH 11/16] x86: move back crashkernel back to setup.c Date: Wed, 25 Jun 2008 17:57:13 -0700 User-Agent: KMail/1.9.6 (enterprise 20070904.708012) Cc: "linux-kernel@vger.kernel.org" References: <200806251748.06743.yhlu.kernel@gmail.com> In-Reply-To: <200806251748.06743.yhlu.kernel@gmail.com> MIME-Version: 1.0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: 7bit Content-Disposition: inline Message-Id: <200806251757.13333.yhlu.kernel@gmail.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Signed-off-by: Yinghai Lu --- arch/x86/kernel/setup.c | 58 +++++++++++++++++++++++++++++++++++++++++ arch/x86/kernel/setup_percpu.c | 57 ---------------------------------------- 2 files changed, 58 insertions(+), 57 deletions(-) Index: linux-2.6/arch/x86/kernel/setup.c =================================================================== --- linux-2.6.orig/arch/x86/kernel/setup.c +++ linux-2.6/arch/x86/kernel/setup.c @@ -397,6 +397,64 @@ void __init parse_setup_data(void) } /* + * --------- Crashkernel reservation ------------------------------ + */ + +#ifdef CONFIG_KEXEC +static inline unsigned long long get_total_mem(void) +{ + unsigned long long total; + + total = max_low_pfn - min_low_pfn; +#ifdef CONFIG_HIGHMEM + total += highend_pfn - highstart_pfn; +#endif + + return total << PAGE_SHIFT; +} + +void __init reserve_crashkernel(void) +{ + unsigned long long total_mem; + unsigned long long crash_size, crash_base; + int ret; + + total_mem = get_total_mem(); + + ret = parse_crashkernel(boot_command_line, total_mem, + &crash_size, &crash_base); + if (ret == 0 && crash_size > 0) { + if (crash_base <= 0) { + printk(KERN_INFO "crashkernel reservation failed - " + "you have to specify a base address\n"); + return; + } + + if (reserve_bootmem_generic(crash_base, crash_size, + BOOTMEM_EXCLUSIVE) < 0) { + printk(KERN_INFO "crashkernel reservation failed - " + "memory is in use\n"); + return; + } + + printk(KERN_INFO "Reserving %ldMB of memory at %ldMB " + "for crashkernel (System RAM: %ldMB)\n", + (unsigned long)(crash_size >> 20), + (unsigned long)(crash_base >> 20), + (unsigned long)(total_mem >> 20)); + + crashk_res.start = crash_base; + crashk_res.end = crash_base + crash_size - 1; + insert_resource(&iomem_resource, &crashk_res); + } +} +#else +void __init reserve_crashkernel(void) +{ +} +#endif + +/* * Determine if we were loaded by an EFI loader. If so, then we have also been * passed the efi memmap, systab, etc., so we should use these data structures * for initialization. Note, the efi init code path is determined by the Index: linux-2.6/arch/x86/kernel/setup_percpu.c =================================================================== --- linux-2.6.orig/arch/x86/kernel/setup_percpu.c +++ linux-2.6/arch/x86/kernel/setup_percpu.c @@ -387,63 +387,6 @@ EXPORT_SYMBOL(node_to_cpumask); #endif /* X86_64_NUMA */ -/* - * --------- Crashkernel reservation ------------------------------ - */ - -static inline unsigned long long get_total_mem(void) -{ - unsigned long long total; - - total = max_low_pfn - min_low_pfn; -#ifdef CONFIG_HIGHMEM - total += highend_pfn - highstart_pfn; -#endif - - return total << PAGE_SHIFT; -} - -#ifdef CONFIG_KEXEC -void __init reserve_crashkernel(void) -{ - unsigned long long total_mem; - unsigned long long crash_size, crash_base; - int ret; - - total_mem = get_total_mem(); - - ret = parse_crashkernel(boot_command_line, total_mem, - &crash_size, &crash_base); - if (ret == 0 && crash_size > 0) { - if (crash_base <= 0) { - printk(KERN_INFO "crashkernel reservation failed - " - "you have to specify a base address\n"); - return; - } - - if (reserve_bootmem_generic(crash_base, crash_size, - BOOTMEM_EXCLUSIVE) < 0) { - printk(KERN_INFO "crashkernel reservation failed - " - "memory is in use\n"); - return; - } - - printk(KERN_INFO "Reserving %ldMB of memory at %ldMB " - "for crashkernel (System RAM: %ldMB)\n", - (unsigned long)(crash_size >> 20), - (unsigned long)(crash_base >> 20), - (unsigned long)(total_mem >> 20)); - - crashk_res.start = crash_base; - crashk_res.end = crash_base + crash_size - 1; - insert_resource(&iomem_resource, &crashk_res); - } -} -#else -void __init reserve_crashkernel(void) -{} -#endif - static struct resource standard_io_resources[] = { { .name = "dma1", .start = 0x00, .end = 0x1f, .flags = IORESOURCE_BUSY | IORESOURCE_IO },