Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S262129AbUDOALo (ORCPT ); Wed, 14 Apr 2004 20:11:44 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S262113AbUDOALo (ORCPT ); Wed, 14 Apr 2004 20:11:44 -0400 Received: from e5.ny.us.ibm.com ([32.97.182.105]:64756 "EHLO e5.ny.us.ibm.com") by vger.kernel.org with ESMTP id S262136AbUDOALb (ORCPT ); Wed, 14 Apr 2004 20:11:31 -0400 Date: Wed, 14 Apr 2004 17:22:42 -0700 From: "Martin J. Bligh" To: Andrea Arcangeli , Rajesh Venkatasubramanian cc: Hugh Dickins , linux-kernel@vger.kernel.org, Andrew Morton Subject: Re: [PATCH] anobjrmap 9 priority mjb tree Message-ID: <170580000.1081988562@flay> In-Reply-To: <20040415000529.GX2150@dualathlon.random> References: <69200000.1081804458@flay> <20040415000529.GX2150@dualathlon.random> X-Mailer: Mulberry/2.1.2 (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: 791 Lines: 18 >> Martin! When you get time to test your SDET with this patch, please >> let me know whether this patch helps you at all. The patch applies >> on top of 2.6.5-mjb1+anobjrmap9_prio_tree. > > I considered converting it to a rwsem too, details are in the the email > I posted while providing the rwspinlock solution to the parisc cache > flushing code. I will try it, but I'm not convinced it'll help. I profiled the takers of i_shared_sem, and I think they're all writers (and I tried rwsem on the simple linked list before with no benefit). 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/