From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-pa0-f43.google.com (mail-pa0-f43.google.com [209.85.220.43]) by kanga.kvack.org (Postfix) with ESMTP id 1F6536B00AE for ; Wed, 16 Jul 2014 10:45:16 -0400 (EDT) Received: by mail-pa0-f43.google.com with SMTP id lf10so1433166pab.2 for ; Wed, 16 Jul 2014 07:45:15 -0700 (PDT) Received: from g4t3425.houston.hp.com (g4t3425.houston.hp.com. [15.201.208.53]) by mx.google.com with ESMTPS id i5si7336656pdj.393.2014.07.16.07.45.14 for (version=TLSv1 cipher=RC4-SHA bits=128/128); Wed, 16 Jul 2014 07:45:15 -0700 (PDT) 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 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" Mime-Version: 1.0 Content-Transfer-Encoding: 7bit Sender: owner-linux-mm@kvack.org List-ID: 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 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, 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