Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S935902AbYGCHNd (ORCPT ); Thu, 3 Jul 2008 03:13:33 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1752344AbYGCG6h (ORCPT ); Thu, 3 Jul 2008 02:58:37 -0400 Received: from fgwmail7.fujitsu.co.jp ([192.51.44.37]:41008 "EHLO fgwmail7.fujitsu.co.jp" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755149AbYGCGDD (ORCPT ); Thu, 3 Jul 2008 02:03:03 -0400 Date: Thu, 03 Jul 2008 15:02:23 +0900 From: KOSAKI Motohiro To: Andrew Morton Subject: Re: [-mm][PATCH 1/10] fix UNEVICTABLE_LRU and !PROC_PAGE_MONITOR build Cc: kosaki.motohiro@jp.fujitsu.com, LKML , linux-mm , Lee Schermerhorn , Rik van Riel , Benjamin Kidwell In-Reply-To: <20080702223652.3b57dc4b.akpm@linux-foundation.org> References: <20080625185950.D84F.KOSAKI.MOTOHIRO@jp.fujitsu.com> <20080702223652.3b57dc4b.akpm@linux-foundation.org> Message-Id: <20080703145454.B963.KOSAKI.MOTOHIRO@jp.fujitsu.com> MIME-Version: 1.0 Content-Type: text/plain; charset="US-ASCII" Content-Transfer-Encoding: 7bit X-Mailer: Becky! ver. 2.42 [ja] Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 706 Lines: 21 > > config UNEVICTABLE_LRU > > bool "Add LRU list to track non-evictable pages" > > default y > > + select PAGE_WALKER > > So what do we do? Make UNEVICTABLE_LRU depend on CONFIG_MMU? That > would be even worse than what we have now. I'm not sure about what do we do. but I'd prefer "depends on MMU". because current munlock implementation need pagewalker. So, munlock rewriting have high risk rather than change depend on. Rik, What do you think? -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/