Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755936AbZJ0Q2h (ORCPT ); Tue, 27 Oct 2009 12:28:37 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1755810AbZJ0Q2g (ORCPT ); Tue, 27 Oct 2009 12:28:36 -0400 Received: from smtp2.ultrahosting.com ([74.213.174.253]:47533 "EHLO smtp.ultrahosting.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1755767AbZJ0Q2f (ORCPT ); Tue, 27 Oct 2009 12:28:35 -0400 Date: Tue, 27 Oct 2009 16:28:03 -0400 (EDT) From: Christoph Lameter X-X-Sender: cl@V090114053VZO-1 To: "Rafael J. Wysocki" cc: Linux Kernel Mailing List , Kernel Testers List , Ingo Molnar , Jeff Mahoney , Jiri Kosina , "Luck, Tony" , Peter Zijlstra , Peter Zijlstra , Tejun Heo Subject: Re: [Bug #14467] Linker errors on ia64 with NR_CPUS=4096 In-Reply-To: <6dRYo8ss7vL.A.nnF.Cre5KB@chimera> Message-ID: References: <6dRYo8ss7vL.A.nnF.Cre5KB@chimera> User-Agent: Alpine 1.10 (DEB 962 2008-03-14) MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 553 Lines: 16 The NR_CPUS array in the percpu section needs to be removed. A simple fix would be to allocate the rq_weight per cpu array dynamically. The large per cpu array was introduced as a fix to a race condition. Maybe there is another way of dealing with this issue that does not require large per cpu arrays? -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/