Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S261415AbTHYEKe (ORCPT ); Mon, 25 Aug 2003 00:10:34 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S261440AbTHYEKe (ORCPT ); Mon, 25 Aug 2003 00:10:34 -0400 Received: from holomorphy.com ([66.224.33.161]:41126 "EHLO holomorphy") by vger.kernel.org with ESMTP id S261415AbTHYEK3 (ORCPT ); Mon, 25 Aug 2003 00:10:29 -0400 Date: Sun, 24 Aug 2003 21:11:17 -0700 From: William Lee Irwin III To: Takao Indoh Cc: Mike Fedyk , linux-kernel@vger.kernel.org Subject: Re: cache limit Message-ID: <20030825041117.GN4306@holomorphy.com> Mail-Followup-To: William Lee Irwin III , Takao Indoh , Mike Fedyk , linux-kernel@vger.kernel.org References: <20030821234709.GD1040@matchmail.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: Organization: The Domain of Holomorphy User-Agent: Mutt/1.5.4i Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1233 Lines: 26 On Thu, Aug 21, 2003 at 09:49:45AM +0900, Takao Indoh wrote: >>> Actually, in the system I constructed(RedHat AdvancedServer2.1, kernel >>> 2.4.9based), the problem occurred due to pagecache. The system's maximum >>> response time had to be less than 4 seconds, but owing to the pagecache, >>> response time get uneven, and maximum time became 10 seconds. On Thu, 21 Aug 2003 16:47:09 -0700, Mike Fedyk wrote: >> Please try the 2.4.18 based redhat kernel, or the 2.4-aa kernel. On Mon, Aug 25, 2003 at 11:45:58AM +0900, Takao Indoh wrote: > I need a tuning parameter which can control pagecache > like /proc/sys/vm/pagecache, which RedHat Linux has. > The latest 2.4 or 2.5 standard kernel does not have such a parameter. > 2.4.18 kernel or 2.4-aa kernel has a alternative method? This is moderately misguided; essentially the only way userspace can utilize RAM at all is via the pagecache. It's not useful to limit this; you probably need inode-highmem or some such nonsense. -- wli - 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/