From mboxrd@z Thu Jan 1 00:00:00 1970 Date: Thu, 16 Feb 2006 17:51:54 -0800 (PST) From: Christoph Lameter Subject: Re: [PATCH for 2.6.16] Handle holes in node mask in node fallback list initialization In-Reply-To: <200602170223.34031.ak@suse.de> Message-ID: References: <200602170223.34031.ak@suse.de> MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: owner-linux-mm@kvack.org Return-Path: To: Andi Kleen Cc: torvalds@osdl.org, akpm@osdl.org, linux-mm@kvack.org List-ID: On Fri, 17 Feb 2006, Andi Kleen wrote: > Empty nodes are not initialization, but the node number is still > allocated. And then it would early except or even triple fault here > because it would try to set up a fallback list for a NULL pgdat. Oops. Isnt this an issue with the arch code? Simply do not allocate an empty node. Is the mapping from linux Node id -> Hardware node id fixed on x86_64? ia64 has a lookup table. These are empty nodes without processor? Or a processor without a node? In that case the processor will have to be assigned a default node. -- 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