Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id ; Fri, 1 Feb 2002 04:10:04 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id ; Fri, 1 Feb 2002 04:09:46 -0500 Received: from pizda.ninka.net ([216.101.162.242]:28548 "EHLO pizda.ninka.net") by vger.kernel.org with ESMTP id ; Fri, 1 Feb 2002 04:09:32 -0500 Date: Fri, 01 Feb 2002 01:07:44 -0800 (PST) Message-Id: <20020201.010744.35469747.davem@redhat.com> To: mingo@elte.hu Cc: velco@fadata.bg, anton@samba.org, torvalds@transmeta.com, andrea@suse.de, riel@conectiva.com.br, stoffel@casc.com, linux-kernel@vger.kernel.org Subject: Re: [PATCH] Radix-tree pagecache for 2.5 From: "David S. Miller" In-Reply-To: In-Reply-To: <87u1t1ws20.fsf@fadata.bg> X-Mailer: Mew version 2.1 on Emacs 21.1 / Mule 5.0 (SAKAKI) 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 From: Ingo Molnar Date: Fri, 1 Feb 2002 11:29:53 +0100 (CET) using read-write locks does not solve the scalability problem: the problem is the bouncing of the spinlock cacheline from CPU to CPU. I so much wish more people understood this :( - 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/