From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from dsl027-180-168.sfo1.dsl.speakeasy.net ([216.27.180.168]:58542 "EHLO sunset.davemloft.net") by vger.kernel.org with ESMTP id S1750925AbWCSXm0 (ORCPT ); Sun, 19 Mar 2006 18:42:26 -0500 Date: Sun, 19 Mar 2006 15:42:23 -0800 (PST) Message-Id: <20060319.154223.21784367.davem@davemloft.net> Subject: Re: Potential problem with the page_mapping macro and flush_dcache_page() From: "David S. Miller" In-Reply-To: <1142811577.3240.75.camel@mulgrave.il.steeleye.com> References: <1142803783.3240.64.camel@mulgrave.il.steeleye.com> <20060319.140124.69326977.davem@davemloft.net> <1142811577.3240.75.camel@mulgrave.il.steeleye.com> Mime-Version: 1.0 Content-Type: Text/Plain; charset=us-ascii Content-Transfer-Encoding: 7bit Sender: linux-arch-owner@vger.kernel.org To: James.Bottomley@steeleye.com Cc: linux-arch@vger.kernel.org List-ID: From: James Bottomley Date: Sun, 19 Mar 2006 17:39:36 -0600 > > What am I missing? > > Nothing; it's always irked me that we need all these extra coherence > protocols for the PA VIPT cache because it's so large with such low > associativity. But it also makes us a good test case for the linux > API ... Ok, thanks for the explanation. It is horrible though :)