Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751422AbZCLCMJ (ORCPT ); Wed, 11 Mar 2009 22:12:09 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1753382AbZCLCL4 (ORCPT ); Wed, 11 Mar 2009 22:11:56 -0400 Received: from wf-out-1314.google.com ([209.85.200.174]:37826 "EHLO wf-out-1314.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753186AbZCLCLz (ORCPT ); Wed, 11 Mar 2009 22:11:55 -0400 DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :cc:content-type:content-transfer-encoding; b=m34diwuh+XqSB2ChbzuYyP0wM1w2q8CAFK28c4xAp4u+rsaiPRKA/gsPZc60FFHLxr /SAzY6lESeuWUox4gvS0qVD0WlcxXqai60NGAYJ2t8vF+CfnRSKuNw3cvhTsOBxUzXln 2zyvqKLv1H0Sj2wm8QlEsdK1jlAlI/gpFOmH0= MIME-Version: 1.0 In-Reply-To: <20090312105622.43A6.A69D9226@jp.fujitsu.com> References: <20090312100049.43A3.A69D9226@jp.fujitsu.com> <20090312105226.88df3f63.minchan.kim@barrios-desktop> <20090312105622.43A6.A69D9226@jp.fujitsu.com> Date: Thu, 12 Mar 2009 11:11:53 +0900 Message-ID: <28c262360903111911l4e14685emb0261fe649bc03fa@mail.gmail.com> Subject: Re: [PATCH] NOMMU: Pages allocated to a ramfs inode's pagecache may get wrongly discarded From: Minchan Kim To: KOSAKI Motohiro Cc: Andrew Morton , dhowells@redhat.com, torvalds@linux-foundation.org, peterz@infradead.org, Enrik.Berkhan@ge.com, uclinux-dev@uclinux.org, linux-kernel@vger.kernel.org, linux-mm@kvack.org, Johannes Weiner , Rik van Riel , Lee Schermerhorn Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1015 Lines: 34 On Thu, Mar 12, 2009 at 11:00 AM, KOSAKI Motohiro wrote: >> Hi, Kosaki-san. >> >> I think ramfs pages's unevictablility should not depend on CONFIG_UNEVICTABLE_LRU. >> It would be better to remove dependency of CONFIG_UNEVICTABLE_LRU ? >> >> How about this ? >> It's just RFC. It's not tested. >> >> That's because we can't reclaim that pages regardless of whether there is unevictable list or not > > maybe, your patch work. > > but we can remove CONFIG_UNEVICTABLE_LRU build option itself completely > after nommu folks confirmed CONFIG_UNEVICTABLE_LRU works well on their machine > > it is more cleaner IMHO. > What do you think? > > I agree your opinion, totally Let us wait nommu folks's comments. -- Kinds regards, Minchan Kim -- 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/