Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S263818AbUDOGXd (ORCPT ); Thu, 15 Apr 2004 02:23:33 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S263843AbUDOGXd (ORCPT ); Thu, 15 Apr 2004 02:23:33 -0400 Received: from citrine.spiritone.com ([216.99.193.133]:8367 "EHLO citrine.spiritone.com") by vger.kernel.org with ESMTP id S263832AbUDOGXd (ORCPT ); Thu, 15 Apr 2004 02:23:33 -0400 Date: Wed, 14 Apr 2004 23:23:23 -0700 From: "Martin J. Bligh" To: Rajesh Venkatasubramanian , Andrea Arcangeli cc: Hugh Dickins , linux-kernel@vger.kernel.org, Andrew Morton Subject: Re: [PATCH] anobjrmap 9 priority mjb tree Message-ID: <35840000.1082010202@[10.10.2.4]> In-Reply-To: References: <69200000.1081804458@flay><20040415000529.GX2150@dualathlon.random> 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: 670 Lines: 15 > Wherease my solution will allow multiple modifications at the same > time (if possible) with only one pageout routine at a time. I chose > this solution because Martin's SDET took big hit in common cases of > adding and removing vmas from the i_mmap{_shared} data structure. FYI, even without prio-tree, I get a 12% boost from converting i_shared_sem into a spinlock. I'll try doing the same on top of prio-tree next. 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/