From mboxrd@z Thu Jan 1 00:00:00 1970 From: Andi Kleen Subject: Re: [PATCH] [11/19] HWPOISON: Refactor truncate to allow direct truncating of page v2 Date: Thu, 6 Aug 2009 14:04:17 +0200 Message-ID: <20090806120417.GC22124@basil.fritz.box> References: <200908051136.682859934@firstfloor.org> <20090805093638.D3754B15D8@basil.firstfloor.org> <20090805102008.GB17190@wotan.suse.de> <20090805134607.GH11385@basil.fritz.box> <20090805140145.GB28563@wotan.suse.de> <20090805141001.GJ11385@basil.fritz.box> <20090805141642.GB23992@wotan.suse.de> <20090806134830.4f3931d2@skybase> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Return-path: Received: from one.firstfloor.org ([213.235.205.2]:57803 "EHLO one.firstfloor.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752006AbZHFMES (ORCPT ); Thu, 6 Aug 2009 08:04:18 -0400 Content-Disposition: inline In-Reply-To: <20090806134830.4f3931d2@skybase> Sender: linux-arch-owner@vger.kernel.org List-ID: To: Martin Schwidefsky Cc: Nick Piggin , Andi Kleen , akpm@linux-foundation.org, linux-kernel@vger.kernel.org, linux-mm@kvack.org, fengguang.wu@intel.com, hidehiro.kawai.ez@hitachi.com, linux-arch@vger.kernel.org > This is not relevant for s390, as current machines do transparent memory > sparing if a memory module goes bad. Really old machines reported bad > memory to the OS by means of a machine check (storage error uncorrected > and storage error corrected). I have never seen this happen, the level > below the OS deals with these errors for us. Ok fine. It's for the poorer cousins then who can't afford memory mirroring. -Andi -- ak@linux.intel.com -- Speaking for myself only.