From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932976AbaHYRQN (ORCPT ); Mon, 25 Aug 2014 13:16:13 -0400 Received: from eddie.linux-mips.org ([148.251.95.138]:41842 "EHLO cvs.linux-mips.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932187AbaHYRQM (ORCPT ); Mon, 25 Aug 2014 13:16:12 -0400 Date: Mon, 25 Aug 2014 19:16:00 +0200 From: Ralf Baechle To: Max Filippov Cc: linux-xtensa@linux-xtensa.org, Chris Zankel , Marc Gauthier , linux-mm@kvack.org, linux-arch@vger.kernel.org, linux-mips@linux-mips.org, linux-kernel@vger.kernel.org, David Rientjes , Andrew Morton , Leonid Yegoshin , Steven Hill Subject: Re: [PATCH v4 0/2] mm/highmem: make kmap cache coloring aware Message-ID: <20140825171600.GH25892@linux-mips.org> References: <1406941899-19932-1-git-send-email-jcmvbkbc@gmail.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1406941899-19932-1-git-send-email-jcmvbkbc@gmail.com> User-Agent: Mutt/1.5.23 (2014-03-12) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Sat, Aug 02, 2014 at 05:11:37AM +0400, Max Filippov wrote: > this series adds mapping color control to the generic kmap code, allowing > architectures with aliasing VIPT cache to use high memory. There's also > use example of this new interface by xtensa. I haven't actually ported this to MIPS but it certainly appears to be the right framework to get highmem aliases handled on MIPS, too. Though I still consider increasing PAGE_SIZE to 16k the preferable solution because it will entirly do away with cache aliases. Thanks, Ralf