From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1759584AbYFKUbc (ORCPT ); Wed, 11 Jun 2008 16:31:32 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1758816AbYFKUaW (ORCPT ); Wed, 11 Jun 2008 16:30:22 -0400 Received: from mx1.redhat.com ([66.187.233.31]:53253 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1759061AbYFKUaU (ORCPT ); Wed, 11 Jun 2008 16:30:20 -0400 Date: Wed, 11 Jun 2008 16:30:07 -0400 From: Rik van Riel To: Lee Schermerhorn Cc: Andrew Morton , linux-kernel@vger.kernel.org, kosaki.motohiro@jp.fujitsu.com Subject: Re: [PATCH -mm 11/24] pageflag helpers for configed-out flags Message-ID: <20080611163007.4eae7f16@bree.surriel.com> In-Reply-To: <1213215827.6436.61.camel@lts-notebook> References: <20080611184214.605110868@redhat.com> <20080611184339.493423475@redhat.com> <20080611130145.2a202339.akpm@linux-foundation.org> <20080611160814.5374467d@bree.surriel.com> <1213215827.6436.61.camel@lts-notebook> Organization: Red Hat, Inc. X-Mailer: Claws Mail 3.0.2 (GTK+ 2.10.4; x86_64-redhat-linux-gnu) Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Wed, 11 Jun 2008 16:23:47 -0400 Lee Schermerhorn wrote: > On Wed, 2008-06-11 at 16:08 -0400, Rik van Riel wrote: > > On Wed, 11 Jun 2008 13:01:45 -0700 > > Andrew Morton wrote: > > > On Wed, 11 Jun 2008 14:42:25 -0400 > > > Rik van Riel wrote: > > > > > > > Define proper false/noop inline functions for noreclaim page > > > > flags when !defined(CONFIG_NORECLAIM_LRU) > > > > > > I changed that to CONFIG_UNEVICTABLE_LRU. > > > > > > Did we agree that the presence of this config variable is undesirable? > > > If so, what's involved in making it go away? > > > > We agreed that having CONFIG_NORELAIM_SWAP was bad, that one went away. > > That was CONFIG_NORELAIM_MLOCK, right? You're right. > Which reminds me: we'll need to change the description of > CONFIG_UNEVICTABLE_LRU to state that it uses 2 page flags if, indeed, we > want to say anything about page flag usage in the Kconfig help text. > Not sure that's helpful. True, we might as well remove that comment. -- All rights reversed.