Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S261870AbUCILJk (ORCPT ); Tue, 9 Mar 2004 06:09:40 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S261875AbUCILJk (ORCPT ); Tue, 9 Mar 2004 06:09:40 -0500 Received: from fw.osdl.org ([65.172.181.6]:19116 "EHLO mail.osdl.org") by vger.kernel.org with ESMTP id S261870AbUCILI5 (ORCPT ); Tue, 9 Mar 2004 06:08:57 -0500 Date: Tue, 9 Mar 2004 03:09:07 -0800 From: Andrew Morton To: Ingo Molnar Cc: andrea@suse.de, torvalds@osdl.org, linux-kernel@vger.kernel.org Subject: Re: [lockup] Re: objrmap-core-1 (rmap removal for file mappings to avoid 4:4 in <=16G machines) Message-Id: <20040309030907.71a53a7c.akpm@osdl.org> In-Reply-To: <20040309110233.GA3819@elte.hu> References: <20040308202433.GA12612@dualathlon.random> <20040309105226.GA2863@elte.hu> <20040309110233.GA3819@elte.hu> X-Mailer: Sylpheed version 0.9.4 (GTK+ 1.2.10; i686-pc-linux-gnu) Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 628 Lines: 15 Ingo Molnar wrote: > > or run the attached test-mmap2.c code, which simulates a very small DB > app using only 1800 vmas per process: it only maps 8 MB of shm and > spawns 32 processes. This has an even more lethal effect than the > previous code. Do these tests actually make any forward progress at all, or is it some bug which has sent the kernel into a loop? - 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/