Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id ; Fri, 26 Jul 2002 16:19:24 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id ; Fri, 26 Jul 2002 16:19:24 -0400 Received: from gateway-1237.mvista.com ([12.44.186.158]:11764 "EHLO hermes.mvista.com") by vger.kernel.org with ESMTP id ; Fri, 26 Jul 2002 16:18:50 -0400 Subject: Re: [Lse-tech] Re: [RFC] Scalable statistics counters using kmalloc_percpu From: Robert Love To: William Lee Irwin III Cc: Andrew Morton , Ravikiran G Thirumalai , linux-kernel@vger.kernel.org, lse , riel@conectiva.com.br, Rusty Russell In-Reply-To: <20020726201526.GZ2907@holomorphy.com> References: <20020726204033.D18570@in.ibm.com> <3D41990A.EDC1A530@zip.com.au> <20020726194643.GX2907@holomorphy.com> <1027713012.2443.49.camel@sinai> <20020726201526.GZ2907@holomorphy.com> Content-Type: text/plain Content-Transfer-Encoding: 7bit X-Mailer: Ximian Evolution 1.0.8.99 Date: 26 Jul 2002 13:22:02 -0700 Message-Id: <1027714922.928.8.camel@sinai> Mime-Version: 1.0 Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 807 Lines: 22 On Fri, 2002-07-26 at 13:15, William Lee Irwin III wrote: > On Fri, Jul 26, 2002 at 12:50:12PM -0700, Robert Love wrote: > > In current 2.5? I thought Andrew and I fixed all those issues and > > pushed them to Linus... > > The `configurable NR_CPUS' patch works fine for me. I always boot with > > NR_CPUS=2. > > No idea who it works for, it sure doesn't work here. Behold: Hmm, is your CPU-space sparse? If that is the case, and the max APIC ID is set to NR_CPUS, and the kernel expects a 1:1 between NR_CPU value and logical CPU #... boom. Robert Love - 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/