Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752729AbXJAJcP (ORCPT ); Mon, 1 Oct 2007 05:32:15 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751238AbXJAJcA (ORCPT ); Mon, 1 Oct 2007 05:32:00 -0400 Received: from fgwmail5.fujitsu.co.jp ([192.51.44.35]:59022 "EHLO fgwmail5.fujitsu.co.jp" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751236AbXJAJcA (ORCPT ); Mon, 1 Oct 2007 05:32:00 -0400 Date: Mon, 01 Oct 2007 18:30:52 +0900 From: Yasunori Goto To: Andrew Morton Subject: [Patch / 000](memory hotplug) Fix NULL pointer access of kmem_cache_node when hot-add. Cc: Christoph Lameter , Linux Kernel ML , linux-mm , Yasunori Goto X-Mailer-Plugin: BkASPil for Becky!2 Ver.2.068 Message-Id: <20071001182329.7A97.Y-GOTO@jp.fujitsu.com> MIME-Version: 1.0 Content-Type: text/plain; charset="US-ASCII" Content-Transfer-Encoding: 7bit X-Mailer: Becky! ver. 2.27 [ja] Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 779 Lines: 28 Hello. This patch set is to fix panic due to access NULL pointer of SLUB. When new memory is hot-added on the new node (or memory less node), kmem_cache_node for the new node is not prepared, and panic occurs by it. So, new kmem_cache_node should be created before new memory is available on the node. This is the first user of the callback of memory notifier. So, the first patch is to change some defects of it. This patch set is for 2.6.23-rc8-mm2. I tested this patch on my ia64 box. Please apply. Bye. -- Yasunori Goto - 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/