Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1758148AbYLLPLu (ORCPT ); Fri, 12 Dec 2008 10:11:50 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1756767AbYLLPLk (ORCPT ); Fri, 12 Dec 2008 10:11:40 -0500 Received: from wa-out-1112.google.com ([209.85.146.182]:51334 "EHLO wa-out-1112.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754930AbYLLPLk (ORCPT ); Fri, 12 Dec 2008 10:11:40 -0500 DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=message-id:date:from:sender:to:subject:cc:in-reply-to:mime-version :content-type:content-transfer-encoding:content-disposition :references:x-google-sender-auth; b=ezJRrWns4zXGSTil/VA+NKqzn0GxuOI1TSGZHSaY8jllBR6GQ+sYwEjEINN0VbQoC7 AbiJpxUGToRqsh99sTgR/aT5IaniGPQ9yfg4r/I0b0tzjVi8VOuBcZmNAZtNSNZAYCIZ 3qPf0mgNJOiMawz7FKoLEGVyU67NnCFGWEnkg= Message-ID: <2f11576a0812120711l130e07c3x94ff3b1e64959edf@mail.gmail.com> Date: Sat, 13 Dec 2008 00:11:39 +0900 From: "KOSAKI Motohiro" To: "Rik van Riel" Subject: Re: [PATCH] block: Fix LSF default inconsistency Cc: "Jens Axboe" , "Jean Delvare" , "Trond Myklebust" , LKML In-Reply-To: <49426C16.6040108@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Content-Disposition: inline References: <20081211202923.330F.KOSAKI.MOTOHIRO@jp.fujitsu.com> <20081211113646.GI23742@kernel.dk> <20081211204006.3312.KOSAKI.MOTOHIRO@jp.fujitsu.com> <20081212075844.GH23742@kernel.dk> <49426C16.6040108@redhat.com> X-Google-Sender-Auth: dee7c9a2ec1830d1 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 802 Lines: 21 >> Me neither, lets ask the originator of the patch. Rik, why is >> unevictable lru an option? > > I think we had some reasons to keep it as a separate config > option during development, but nowadays we might as well > put it all just under CONFIG_SWAP... I'm sad ;) To move mlocked file cache page to unevictable list is useful although swapless embedded device. Actually, number of scanning pages of reclaim is calculated by number of pages in list. if unevictable page stay in evictable list a lot, reclaim logic can calculate wrong scanning number. -- 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/