From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-la0-f42.google.com (mail-la0-f42.google.com [209.85.215.42]) by kanga.kvack.org (Postfix) with ESMTP id 2BD8F6B0035 for ; Mon, 25 Aug 2014 13:16:12 -0400 (EDT) Received: by mail-la0-f42.google.com with SMTP id pv20so13742750lab.29 for ; Mon, 25 Aug 2014 10:16:11 -0700 (PDT) Received: from cvs.linux-mips.org (eddie.linux-mips.org. [148.251.95.138]) by mx.google.com with ESMTP id kz8si551140lab.23.2014.08.25.10.16.09 for ; Mon, 25 Aug 2014 10:16:10 -0700 (PDT) Received: from localhost.localdomain ([127.0.0.1]:54250 "EHLO linux-mips.org" rhost-flags-OK-OK-OK-FAIL) by eddie.linux-mips.org with ESMTP id S27006728AbaHYRQJPYfQY (ORCPT ); Mon, 25 Aug 2014 19:16:09 +0200 Date: Mon, 25 Aug 2014 19:16:00 +0200 From: Ralf Baechle 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> Sender: owner-linux-mm@kvack.org List-ID: 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 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 -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@kvack.org. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: email@kvack.org