From mboxrd@z Thu Jan 1 00:00:00 1970 From: Wols Lists Subject: Re: [Linux-nvdimm] [RFC PATCH 0/7] evacuate struct page from the block layer Date: Fri, 20 Mar 2015 17:32:03 +0000 Message-ID: <550C5993.9030104@youngman.org.uk> References: <20150316201640.33102.33761.stgit@dwillia2-desk3.amr.corp.intel.com> <20150318132650.3336261c58829f49a9af8675@linux-foundation.org> <20150319134313.GF4003@linux.intel.com> <550AF127.9010504@plexistor.com> <20150319125917.6cc2bf02687aab542027d8ac@linux-foundation.org> Mime-Version: 1.0 Content-Type: text/plain; charset=windows-1252 Content-Transfer-Encoding: 8bit Return-path: In-Reply-To: <20150319125917.6cc2bf02687aab542027d8ac@linux-foundation.org> Sender: linux-raid-owner@vger.kernel.org To: Andrew Morton , Boaz Harrosh Cc: Matthew Wilcox , linux-arch@vger.kernel.org, axboe@kernel.dk, riel@redhat.com, hch@infradead.org, linux-nvdimm@ml01.01.org, Dave Hansen , linux-kernel@vger.kernel.org, linux-raid@vger.kernel.org, mgorman@suse.de, linux-fsdevel@vger.kernel.org List-Id: linux-arch.vger.kernel.org On 19/03/15 19:59, Andrew Morton wrote: > This is all contingent upon the prevalence of machines which have vast > amounts of nv memory and relatively small amounts of regular memory. > How confident are we that this really is the future? Somewhat off-topic, but it's also the past. I can't help thinking of the early Pick machines, which treated backing store as one giant permanent virtual memory. Back when 300Mb hard drives were HUGE. Cheers, Wol