Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S934459AbaGPOpT (ORCPT ); Wed, 16 Jul 2014 10:45:19 -0400 Received: from g4t3425.houston.hp.com ([15.201.208.53]:30121 "EHLO g4t3425.houston.hp.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S933779AbaGPOpP (ORCPT ); Wed, 16 Jul 2014 10:45:15 -0400 Message-ID: <1405521331.28702.57.camel@misato.fc.hp.com> Subject: Re: [RFC PATCH 3/11] x86, mm, pat: Change reserve_memtype() to handle WT type From: Toshi Kani To: Andy Lutomirski Cc: "H. Peter Anvin" , Thomas Gleixner , Ingo Molnar , Andrew Morton , Arnd Bergmann , Konrad Rzeszutek Wilk , plagnioj@jcrosoft.com, tomi.valkeinen@ti.com, "linux-mm@kvack.org" , "linux-kernel@vger.kernel.org" , Stefan Bader , Dave Airlie , Borislav Petkov Date: Wed, 16 Jul 2014 08:35:31 -0600 In-Reply-To: References: <1405452884-25688-1-git-send-email-toshi.kani@hp.com> <1405452884-25688-4-git-send-email-toshi.kani@hp.com> <1405465801.28702.34.camel@misato.fc.hp.com> <1405468387.28702.53.camel@misato.fc.hp.com> Content-Type: text/plain; charset="UTF-8" X-Mailer: Evolution 3.8.5 (3.8.5-2.fc19) Mime-Version: 1.0 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Tue, 2014-07-15 at 17:28 -0700, Andy Lutomirski wrote: > On Tue, Jul 15, 2014 at 4:53 PM, Toshi Kani wrote: : > > In this patch, I left using reserve_ram_pages_type() since I do not see > > much reason to use WT for RAM, either. > > I hereby predict that someone, some day, will build a system with > nonvolatile "RAM", and someone will want this feature. Just saying :) > > More realistically, someone might want to write a silly driver that > lets programs mmap some WT memory for testing. Agreed. This limitation needs to be addressed. I meant to say that this could be a separate effort. Thanks, -Toshi -- 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/