From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753456Ab0HZIlf (ORCPT ); Thu, 26 Aug 2010 04:41:35 -0400 Received: from hera.kernel.org ([140.211.167.34]:59605 "EHLO hera.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753104Ab0HZIlb (ORCPT ); Thu, 26 Aug 2010 04:41:31 -0400 Message-ID: <4C762734.1030402@kernel.org> Date: Thu, 26 Aug 2010 10:35:00 +0200 From: Tejun Heo User-Agent: Mozilla/5.0 (X11; U; Linux i686 (x86_64); en-US; rv:1.9.2.8) Gecko/20100802 Thunderbird/3.1.2 MIME-Version: 1.0 To: Christoph Lameter CC: Pekka Enberg , Stephen Rothwell , linux-next@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: linux-next: build failure after merge of the final tree (slab tree related) References: <20100824120714.8918f8de.sfr@canb.auug.org.au> <4C740450.3030000@cs.helsinki.fi> <4C741029.7090300@cs.helsinki.fi> <4C74D1D7.4080608@kernel.org> <4C74DB05.7000101@cs.helsinki.fi> In-Reply-To: X-Enigmail-Version: 1.1.1 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.2.3 (hera.kernel.org [127.0.0.1]); Thu, 26 Aug 2010 08:40:32 +0000 (UTC) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hello, On 08/25/2010 03:50 PM, Christoph Lameter wrote: > Can we just get rid of the special UP case and just run the percpu > subsystem even for UP? Yeah, maybe. Then we also can guarantee that percpu allocator always honors alignment (which wq code currently requires and papers over with similarly ugly workaround). It would add a mostly redundant allocator code tho. I'll look into how easily it can be done. Thanks. -- tejun