From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail190.messagelabs.com (mail190.messagelabs.com [216.82.249.51]) by kanga.kvack.org (Postfix) with SMTP id 799616B00D1 for ; Wed, 13 May 2009 04:58:43 -0400 (EDT) Received: from m1.gw.fujitsu.co.jp ([10.0.50.71]) by fgwmail7.fujitsu.co.jp (Fujitsu Gateway) with ESMTP id n4D8xal0020371 for (envelope-from kosaki.motohiro@jp.fujitsu.com); Wed, 13 May 2009 17:59:36 +0900 Received: from smail (m1 [127.0.0.1]) by outgoing.m1.gw.fujitsu.co.jp (Postfix) with ESMTP id 611FA45DD7C for ; Wed, 13 May 2009 17:59:36 +0900 (JST) Received: from s1.gw.fujitsu.co.jp (s1.gw.fujitsu.co.jp [10.0.50.91]) by m1.gw.fujitsu.co.jp (Postfix) with ESMTP id 338C545DD74 for ; Wed, 13 May 2009 17:59:36 +0900 (JST) Received: from s1.gw.fujitsu.co.jp (localhost.localdomain [127.0.0.1]) by s1.gw.fujitsu.co.jp (Postfix) with ESMTP id 165091DB8019 for ; Wed, 13 May 2009 17:59:36 +0900 (JST) Received: from ml14.s.css.fujitsu.com (ml14.s.css.fujitsu.com [10.249.87.104]) by s1.gw.fujitsu.co.jp (Postfix) with ESMTP id BD6DD1DB8015 for ; Wed, 13 May 2009 17:59:35 +0900 (JST) From: KOSAKI Motohiro Subject: Re: [PATCH] Kconfig: CONFIG_UNEVICTABLE_LRU move into EMBEDDED submenu In-Reply-To: <20090513175152.1590c117.minchan.kim@barrios-desktop> References: <20090513172904.7234.A69D9226@jp.fujitsu.com> <20090513175152.1590c117.minchan.kim@barrios-desktop> Message-Id: <20090513175539.723A.A69D9226@jp.fujitsu.com> MIME-Version: 1.0 Content-Type: text/plain; charset="US-ASCII" Content-Transfer-Encoding: 7bit Date: Wed, 13 May 2009 17:59:34 +0900 (JST) Sender: owner-linux-mm@kvack.org To: Minchan Kim Cc: kosaki.motohiro@jp.fujitsu.com, LKML , linux-mm , Andrew Morton , Lee Schermerhorn List-ID: > Hi, Kosaki. > > On Wed, 13 May 2009 17:30:45 +0900 (JST) > KOSAKI Motohiro wrote: > > > Subject: [PATCH] Kconfig: CONFIG_UNEVICTABLE_LRU move into EMBEDDED submenu > > > > Almost people always turn on CONFIG_UNEVICTABLE_LRU. this configuration is > > used only embedded people. > > I think at least embedded guys don't need it. > But I am not sure other guys. perhaps, I and you live in another embedded world. > > +config UNEVICTABLE_LRU > > + bool "Add LRU list to track non-evictable pages" if EMBEDDED > > + default y > > If you want to move, it would be better as following. > > config UNEVICTABLE_LRU > bool "Add LRU list to track non-evictable pages" if EMBEDDED > default !EMBEDDED No. As far as I know, many embedded guys use this configuration. they hate unexpected latency by reclaim. !UNEVICTABLE_LRU increase unexpectability largely. -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@kvack.org. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: email@kvack.org