Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S262585AbUDLFYd (ORCPT ); Mon, 12 Apr 2004 01:24:33 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S262608AbUDLFYd (ORCPT ); Mon, 12 Apr 2004 01:24:33 -0400 Received: from obsidian.spiritone.com ([216.99.193.137]:33677 "EHLO obsidian.spiritone.com") by vger.kernel.org with ESMTP id S262585AbUDLFYc (ORCPT ); Mon, 12 Apr 2004 01:24:32 -0400 Date: Sun, 11 Apr 2004 22:24:21 -0700 From: "Martin J. Bligh" To: Rajesh Venkatasubramanian cc: Hugh Dickins , linux-kernel@vger.kernel.org, Andrew Morton Subject: Re: [PATCH] anobjrmap 9 priority mjb tree Message-ID: <12040000.1081747461@[10.10.2.4]> In-Reply-To: References: <7220000.1081704484@[10.10.2.4]> X-Mailer: Mulberry/2.2.1 (Linux/x86) MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit Content-Disposition: inline Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 938 Lines: 22 > This patch is an attempt at reducing the contention on i_shared_sem > by introducing a new semaphore i_mmap_sem. The i_shared_sem covers > i_mmap_shared tree and i_mmap_nonlinear list now, whereas i_mmap_sem > covers i_mmap tree. This may help to reduce the contention on > i_shared_sem if a file is mapped both private and shared. Kernel > compile time with and without this patch did not change much, though. > > This patch is on top of 2.6.5-mjb1+anobjrmap9_prio. Compiled and > tested. > > Martin! Are you interested in testing SDET with this patch ? Runs exactly the same as prio ... thanks for having a crack at it though. I guess that sharing combination isn't that common ;-( M. - 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/