From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail202.messagelabs.com (mail202.messagelabs.com [216.82.254.227]) by kanga.kvack.org (Postfix) with ESMTP id 8BFD05F0001 for ; Wed, 8 Apr 2009 02:23:44 -0400 (EDT) Date: Wed, 8 Apr 2009 08:26:21 +0200 From: Andi Kleen Subject: Re: [PATCH] [2/16] POISON: Add page flag for poisoned pages Message-ID: <20090408062621.GG17934@one.firstfloor.org> References: <20090407509.382219156@firstfloor.org> <20090407150958.BA68F1D046D@basil.firstfloor.org> <20090408002941.GA14041@sgi.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20090408002941.GA14041@sgi.com> Sender: owner-linux-mm@kvack.org To: Russ Anderson Cc: Andi Kleen , linux-kernel@vger.kernel.org, linux-mm@kvack.org, x86@kernel.org List-ID: > > @@ -104,6 +107,9 @@ > > #ifdef CONFIG_IA64_UNCACHED_ALLOCATOR > > PG_uncached, /* Page has been mapped as uncached */ > > #endif > > +#ifdef CONFIG_MEMORY_FAILURE > > Is it necessary to have this under CONFIG_MEMORY_FAILURE? That was mainly so that !MEMORY_FAILURE 32bits NUMA architectures who might not use sparsemap/vsparsemap get a few more zone bits in page flags to play with. Not sure those really exist, so it might be indeed redundant, but it seemed safer. -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