From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail203.messagelabs.com (mail203.messagelabs.com [216.82.254.243]) by kanga.kvack.org (Postfix) with ESMTP id 0D0835F0001 for ; Wed, 8 Apr 2009 02:22:05 -0400 (EDT) Date: Wed, 8 Apr 2009 08:24:41 +0200 From: Andi Kleen Subject: Re: [PATCH] [2/16] POISON: Add page flag for poisoned pages Message-ID: <20090408062441.GF17934@one.firstfloor.org> References: <20090407509.382219156@firstfloor.org> <20090407150958.BA68F1D046D@basil.firstfloor.org> <20090407221421.890f27a6.akpm@linux-foundation.org> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20090407221421.890f27a6.akpm@linux-foundation.org> Sender: owner-linux-mm@kvack.org To: Andrew Morton Cc: Andi Kleen , linux-kernel@vger.kernel.org, linux-mm@kvack.org, x86@kernel.org List-ID: On Tue, Apr 07, 2009 at 10:14:21PM -0700, Andrew Morton wrote: > On Tue, 7 Apr 2009 17:09:58 +0200 (CEST) Andi Kleen wrote: > > > Poisoned pages need special handling in the VM and shouldn't be touched > > again. This requires a new page flag. Define it here. > > I wish this patchset didn't change/abuse the well-understood meaning of > the word "poison". Sorry, that's the terminology on the hardware side. If there's much confusion I could rename it HwPoison or somesuch? > > The page flags wars seem to be over, so it shouldn't be a problem > > to get a new one. I hope. > > They are? How did it all get addressed? Allowing 64bit to use more and using [V]SPARSEMAP to limit flags use for zones. I think. -Andi -- ak@linux.intel.com -- Speaking for myself only. -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@kvack.org. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: email@kvack.org