From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753283Ab0A3Jir (ORCPT ); Sat, 30 Jan 2010 04:38:47 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1753114Ab0A3Jio (ORCPT ); Sat, 30 Jan 2010 04:38:44 -0500 Received: from mga02.intel.com ([134.134.136.20]:59113 "EHLO mga02.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753153Ab0A3Jim (ORCPT ); Sat, 30 Jan 2010 04:38:42 -0500 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="4.49,373,1262592000"; d="scan'208";a="488322758" Message-Id: <20100130093704.146687888@intel.com> User-Agent: quilt/0.48-1 Date: Sat, 30 Jan 2010 17:25:13 +0800 From: Wu Fengguang To: Andrew Morton to: Andi Kleen cc: KAMEZAWA Hiroyuki , Wu Fengguang cc: Nick Piggin Cc: LKML cc: Linux Memory Management List Subject: [PATCH 4/4] hwpoison: avoid "still referenced by -1 users" warning References: <20100130092509.793222613@intel.com> Content-Disposition: inline; filename=hwpoison-no-warn-unknown.patch Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Get rid of the amusing last line, emitted for slab/reserved kernel pages: [ 328.396842] MCE 0x1ff00: Unknown page state [ 328.399058] MCE 0x1ff00: dirty unknown page state page recovery: Failed [ 328.402465] MCE 0x1ff00: unknown page state page still referenced by -1 users CC: Andi Kleen Signed-off-by: Wu Fengguang --- mm/memory-failure.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) --- linux-mm.orig/mm/memory-failure.c 2010-01-22 11:20:28.000000000 +0800 +++ linux-mm/mm/memory-failure.c 2010-01-30 17:23:40.000000000 +0800 @@ -803,7 +803,7 @@ static int page_action(struct page_state count = page_count(p) - 1; if (ps->action == me_swapcache_dirty && result == DELAYED) count--; - if (count != 0) { + if (count > 0) { printk(KERN_ERR "MCE %#lx: %s page still referenced by %d users\n", pfn, ps->msg, count);