From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756892AbXJISt0 (ORCPT ); Tue, 9 Oct 2007 14:49:26 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1756665AbXJIStB (ORCPT ); Tue, 9 Oct 2007 14:49:01 -0400 Received: from rv-out-0910.google.com ([209.85.198.185]:3998 "EHLO rv-out-0910.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756226AbXJISs7 (ORCPT ); Tue, 9 Oct 2007 14:48:59 -0400 DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=beta; h=received:message-id:date:from:sender:to:subject:cc:in-reply-to:mime-version:content-type:content-transfer-encoding:content-disposition:references:x-google-sender-auth; b=TQJrYxCpAqQTATuyKMSLA2tQ9V449o31OpiXoW32XqZxmt2SB7p8EjP7sU8vPUIzYQ+G02cWowPE+NuJruNGdzpq6L38t3lxBz+BgXjM5ojqDoTVlZpGiJm2wRXQlow6uh0cj9XlCcm0izqkHzgWLN4mBdQVuPUcDExavyBMH7k= Message-ID: <84144f020710091148s6267a69aud18348af77f941b0@mail.gmail.com> Date: Tue, 9 Oct 2007 21:48:58 +0300 From: "Pekka Enberg" To: "Christoph Lameter" Subject: Re: [PATCH -mm] slub: fix cpu hotplug offline/online path Cc: "Akinobu Mita" , linux-kernel@vger.kernel.org, "Andrew Morton" In-Reply-To: MIME-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Content-Disposition: inline References: <20071009161328.GA6470@APFDCB5C> X-Google-Sender-Auth: 1e8607910576c8ad Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Hi Christoph, On 10/9/07, Christoph Lameter wrote: > Could you check if a per cpu structure has already been allocated and then > simply skip the call to init? Otherwise we end up with lots of per cpu > structures for cpus that will never show up. Does it matter? How?