From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754635Ab2AXQBZ (ORCPT ); Tue, 24 Jan 2012 11:01:25 -0500 Received: from filtteri6.pp.htv.fi ([213.243.153.189]:60481 "EHLO filtteri6.pp.htv.fi" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754501Ab2AXQBY (ORCPT ); Tue, 24 Jan 2012 11:01:24 -0500 Subject: Re: [RFC 1/3] /dev/low_mem_notify From: Pekka Enberg To: Marcelo Tosatti Cc: Rik van Riel , Minchan Kim , linux-mm , LKML , leonid.moiseichuk@nokia.com, kamezawa.hiroyu@jp.fujitsu.com, mel@csn.ul.ie, rientjes@google.com, KOSAKI Motohiro , Johannes Weiner , Andrew Morton , Ronen Hod , KOSAKI Motohiro In-Reply-To: <20120124154001.GB10990@amt.cnet> References: <1326788038-29141-1-git-send-email-minchan@kernel.org> <1326788038-29141-2-git-send-email-minchan@kernel.org> <4F15A34F.40808@redhat.com> <20120124154001.GB10990@amt.cnet> Content-Type: text/plain; charset="ISO-8859-1" Date: Tue, 24 Jan 2012 18:01:20 +0200 Message-ID: <1327420880.13624.24.camel@jaguar> Mime-Version: 1.0 X-Mailer: Evolution 2.32.2 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Tue, 2012-01-24 at 13:40 -0200, Marcelo Tosatti wrote: > What is the practical advantage of a syscall, again? Why do you ask? The advantage for this particular case is not needing to add ioctls() for configuration and keeping the file read/write ABI simple. Pekka