From mboxrd@z Thu Jan 1 00:00:00 1970 From: Christoph Lameter Subject: Re: [00/41] Large Blocksize Support V7 (adds memmap support) Date: Tue, 11 Sep 2007 13:03:44 -0700 (PDT) Message-ID: References: <20070911060349.993975297@sgi.com> <200709110452.20363.nickpiggin@yahoo.com.au> <20070911120513.GA10328@v2.random> Mime-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Cc: Nick Piggin , torvalds@linux-foundation.org, linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, Christoph Hellwig , Mel Gorman , William Lee Irwin III , David Chinner , Jens Axboe , Badari Pulavarty , Maxim Levitsky , Fengguang Wu , swin wang , totty.lu@gmail.com, hugh@veritas.com, joern@lazybastard.org To: Andrea Arcangeli Return-path: Received: from netops-testserver-4-out.sgi.com ([192.48.171.29]:56741 "EHLO relay.sgi.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S934331AbXIKUDq (ORCPT ); Tue, 11 Sep 2007 16:03:46 -0400 In-Reply-To: <20070911120513.GA10328@v2.random> Sender: linux-fsdevel-owner@vger.kernel.org List-Id: linux-fsdevel.vger.kernel.org On Tue, 11 Sep 2007, Andrea Arcangeli wrote: > Furthermore all the issues with writeprotect faults over MAP_PRIVATE > regions will have to be addressed the same way with both approaches if > we want real 100% 4k-granular backwards compatibility. Could you be more specific as to why my patch does not address that issue? > And if I'm terribly wrong and the variable order pagecache is the way > to go for the long run, the 64k tlb feature will fit in that model > very nicely too. Right.