From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S934202AbZHELUV (ORCPT ); Wed, 5 Aug 2009 07:20:21 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S934179AbZHELUR (ORCPT ); Wed, 5 Aug 2009 07:20:17 -0400 Received: from mx2.redhat.com ([66.187.237.31]:41961 "EHLO mx2.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S933826AbZHELUN (ORCPT ); Wed, 5 Aug 2009 07:20:13 -0400 Date: Wed, 5 Aug 2009 07:19:41 -0400 From: Amerigo Wang To: linux-kernel@vger.kernel.org Cc: tony.luck@intel.com, linux-ia64@vger.kernel.org, Neil Horman , "Eric W. Biederman" , Amerigo Wang , akpm@linux-foundation.org, Ingo Molnar , Anton Vorontsov Message-Id: <20090805112201.6552.13193.sendpatchset@localhost.localdomain> In-Reply-To: <20090805112123.6552.73574.sendpatchset@localhost.localdomain> References: <20090805112123.6552.73574.sendpatchset@localhost.localdomain> Subject: [Patch 4/7] ia64: implement crashkernel=auto Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Since in patch 2/7 we already implement the generic part, this will add the rest part for ia64. Signed-off-by: WANG Cong --- Index: linux-2.6/arch/ia64/include/asm/kexec.h =================================================================== --- linux-2.6.orig/arch/ia64/include/asm/kexec.h +++ linux-2.6/arch/ia64/include/asm/kexec.h @@ -19,6 +19,29 @@ flush_icache_range(page_addr, page_addr + PAGE_SIZE); \ } while(0) +#ifdef CONFIG_KEXEC_AUTO_RESERVE +#ifndef KEXEC_AUTO_RESERVED_SIZE +#define KEXEC_AUTO_RESERVED_SIZE 1ULL<<28 /* 256M */ +#endif +#ifndef KEXEC_AUTO_THRESHOLD +#define KEXEC_AUTO_THRESHOLD 1ULL<<32 /* 4G */ +#endif +static inline +unsigned long long arch_default_crash_size(unsigned long long total_size) +{ + if (total_size < KEXEC_AUTO_THRESHOLD) + return 0; + else + return KEXEC_AUTO_RESERVED_SIZE; +} +static inline +unsigned long long arch_default_crash_base(void) +{ + /* On ia64, 0 means find the base address automatically. */ + return 0; +} +#endif + extern struct kimage *ia64_kimage; extern const unsigned int relocate_new_kernel_size; extern void relocate_new_kernel(unsigned long, unsigned long,