From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from 74-93-104-97-Washington.hfc.comcastbusiness.net ([74.93.104.97]:38647 "EHLO sunset.davemloft.net" rhost-flags-OK-FAIL-OK-OK) by vger.kernel.org with ESMTP id S1752771AbXKAWOl (ORCPT ); Thu, 1 Nov 2007 18:14:41 -0400 Date: Thu, 01 Nov 2007 15:14:40 -0700 (PDT) Message-Id: <20071101.151440.88131899.davem@davemloft.net> Subject: Re: [patch 0/7] [RFC] SLUB: Improve allocpercpu to reduce per cpu access overhead From: David Miller In-Reply-To: References: <20071101.142809.179954273.davem@davemloft.net> Mime-Version: 1.0 Content-Type: Text/Plain; charset=us-ascii Content-Transfer-Encoding: 7bit Sender: linux-arch-owner@vger.kernel.org To: clameter@sgi.com Cc: dada1@cosmosbay.com, akpm@linux-foundation.org, linux-arch@vger.kernel.org, linux-kernel@vger.kernel.org, mathieu.desnoyers@polymtl.ca, penberg@cs.helsinki.fi List-ID: From: Christoph Lameter Date: Thu, 1 Nov 2007 15:11:41 -0700 (PDT) > On Thu, 1 Nov 2007, David Miller wrote: > > > The remaining issue with accessing per-cpu areas at multiple virtual > > addresses is D-cache aliasing. > > But that is not an issue for physicallly mapped caches. Right but I'd like to use this on sparc64 which has L1 D-cache aliasing on some chips :-)