Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S967411Ab3DRJe5 (ORCPT ); Thu, 18 Apr 2013 05:34:57 -0400 Received: from fgwmail5.fujitsu.co.jp ([192.51.44.35]:36921 "EHLO fgwmail5.fujitsu.co.jp" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S967364Ab3DRJey (ORCPT ); Thu, 18 Apr 2013 05:34:54 -0400 From: HATAYAMA Daisuke Subject: [PATCH v4 3/8] vmcore, procfs: introduce MEM_TYPE_CURRENT_KERNEL flag to distinguish objects copied in 2nd kernel To: vgoyal@redhat.com, ebiederm@xmission.com, akpm@linux-foundation.org Cc: cpw@sgi.com, kumagai-atsushi@mxc.nes.nec.co.jp, lisa.mitchell@hp.com, kexec@lists.infradead.org, linux-kernel@vger.kernel.org, zhangyanfei@cn.fujitsu.com, jingbai.ma@hp.com Date: Sat, 13 Apr 2013 09:21:22 +0900 Message-ID: <20130413002122.18245.5882.stgit@localhost6.localdomain6> In-Reply-To: <20130413002000.18245.21513.stgit@localhost6.localdomain6> References: <20130413002000.18245.21513.stgit@localhost6.localdomain6> User-Agent: StGIT/0.14.3 MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1168 Lines: 41 Later patch will copy ELF note segments in buffer on the 2nd kernel. To handle memory on the 1st kernel (old memory) and memory on the 2nd kernel in vmcore_list uniformly, introduce MEM_TYPE_CURRENT_KERNEL flag. If this flag is set, the vmcore object corresponds to buffer on the 2nd kernel. Signed-off-by: HATAYAMA Daisuke --- include/linux/proc_fs.h | 8 +++++++- 1 files changed, 7 insertions(+), 1 deletions(-) diff --git a/include/linux/proc_fs.h b/include/linux/proc_fs.h index 94dfb2a..fefead4 100644 --- a/include/linux/proc_fs.h +++ b/include/linux/proc_fs.h @@ -97,11 +97,17 @@ struct kcore_list { int type; }; +#define MEM_TYPE_CURRENT_KERNEL 0x1 + struct vmcore { struct list_head list; - unsigned long long paddr; + union { + unsigned long long paddr; + char *buf; + }; unsigned long long size; loff_t offset; + unsigned int flag; }; #ifdef CONFIG_PROC_FS -- 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/