From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752402AbaESV1S (ORCPT ); Mon, 19 May 2014 17:27:18 -0400 Received: from mta-out1.inet.fi ([62.71.2.198]:46495 "EHLO jenni1.inet.fi" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751864AbaESV1Q (ORCPT ); Mon, 19 May 2014 17:27:16 -0400 Date: Tue, 20 May 2014 00:24:16 +0300 From: "Kirill A. Shutemov" To: Kenny Simpson Cc: "Kirill A. Shutemov" , Michal Hocko , linux-kernel@vger.kernel.org, Andrew Morton , Peter Zijlstra , Dave Jones , Linus Torvalds , Armin Rigo Subject: Re: remap_file_pages() use Message-ID: <20140519212416.GA14152@node.dhcp.inet.fi> References: <20140519130114.GA3140@dhcp22.suse.cz> <20140519143540.BE9F6E009B@blue.fi.intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.5.22.1 (2013-10-16) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Mon, May 19, 2014 at 01:34:05PM -0400, Kenny Simpson wrote: > For the other cases I had used the remapping to have more of a sliding > window over a disk-backed file where I also was using aliasing to > eliminate the corner cases of hitting the end of a window and needing > to split records due to crossing boundaries, etc.. Disk backed files are not supported by remap_file_pages() since 2007. See commit 3ee6dafc677a. -- Kirill A. Shutemov