Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1757464Ab0DGSVs (ORCPT ); Wed, 7 Apr 2010 14:21:48 -0400 Received: from nlpi129.sbcis.sbc.com ([207.115.36.143]:57204 "EHLO nlpi129.prodigy.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755491Ab0DGSVq (ORCPT ); Wed, 7 Apr 2010 14:21:46 -0400 Date: Wed, 7 Apr 2010 13:20:45 -0500 (CDT) From: Christoph Lameter X-X-Sender: cl@router.home To: Pekka Enberg cc: "Zhang, Yanmin" , Eric Dumazet , netdev , Tejun Heo , alex.shi@intel.com, "linux-kernel@vger.kernel.org" , "Ma, Ling" , "Chen, Tim C" , Andrew Morton Subject: Re: hackbench regression due to commit 9dfc6e68bfe6e In-Reply-To: <4BBCB868.2000705@cs.helsinki.fi> Message-ID: References: <1269506457.4513.141.camel@alexs-hp.sh.intel.com> <1269570902.9614.92.camel@alexs-hp.sh.intel.com> <1270114166.2078.107.camel@ymzhang.sh.intel.com> <1270195589.2078.116.camel@ymzhang.sh.intel.com> <4BBA8DF9.8010409@kernel.org> <1270542497.2078.123.camel@ymzhang.sh.intel.com> <1270591841.2091.170.camel@edumazet-laptop> <1270607668.2078.259.camel@ymzhang.sh.intel.com> <4BBCB7B7.4040901@cs.helsinki.fi> <4BBCB868.2000705@cs.helsinki.fi> User-Agent: Alpine 2.00 (DEB 1167 2008-08-23) 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: 608 Lines: 14 On Wed, 7 Apr 2010, Pekka Enberg wrote: > Oh, sorry, I think it's actually '____cacheline_aligned_in_smp' (with four > underscores) for per-cpu data. Confusing... This does not particulary help to clarify the situation since we are dealing with data that can either be allocated via the percpu allocator or be statically present (kmalloc bootstrap situation). -- 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/