From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-wi0-f172.google.com (mail-wi0-f172.google.com [209.85.212.172]) by kanga.kvack.org (Postfix) with ESMTP id 0B45B6B0038 for ; Sat, 15 Aug 2015 05:01:32 -0400 (EDT) Received: by wibhh20 with SMTP id hh20so40911745wib.0 for ; Sat, 15 Aug 2015 02:01:31 -0700 (PDT) Received: from newverein.lst.de (verein.lst.de. [213.95.11.211]) by mx.google.com with ESMTPS id r2si8959290wib.107.2015.08.15.02.01.30 for (version=TLSv1.2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Sat, 15 Aug 2015 02:01:30 -0700 (PDT) Date: Sat, 15 Aug 2015 11:01:29 +0200 From: Christoph Hellwig Subject: Re: [RFC PATCH 0/7] 'struct page' driver for persistent memory Message-ID: <20150815090129.GD21033@lst.de> References: <20150813031253.36913.29580.stgit@otcpl-skl-sds-2.jf.intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20150813031253.36913.29580.stgit@otcpl-skl-sds-2.jf.intel.com> Sender: owner-linux-mm@kvack.org List-ID: To: Dan Williams Cc: linux-kernel@vger.kernel.org, boaz@plexistor.com, riel@redhat.com, linux-nvdimm@lists.01.org, Dave Hansen , david@fromorbit.com, mingo@kernel.org, linux-mm@kvack.org, Ingo Molnar , mgorman@suse.de, "H. Peter Anvin" , ross.zwisler@linux.intel.com, torvalds@linux-foundation.org, hch@lst.de Hi Dan, based on the issues with the physiscal address S/G lists I suspect we will need this page hotplugging code. Any chance we could side step the issue of storing the page structs on the actual pmem for the first round so that we can an initial version into 4.3? I'll help with the max_pfn audit and testing with my WIP block driver that does I/O from pmem. -- 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