Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id ; Mon, 10 Dec 2001 02:36:43 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id ; Mon, 10 Dec 2001 02:36:34 -0500 Received: from zero.tech9.net ([209.61.188.187]:43014 "EHLO zero.tech9.net") by vger.kernel.org with ESMTP id ; Mon, 10 Dec 2001 02:36:21 -0500 Subject: Re: "Colo[u]rs" From: Robert Love To: Stevie O , linux-kernel@vger.kernel.org In-Reply-To: <1007969208.1237.32.camel@phantasy> In-Reply-To: <5.1.0.14.2.20011210020236.01cca428@whisper.qrpff.net> <1007969208.1237.32.camel@phantasy> Content-Type: text/plain Content-Transfer-Encoding: 7bit X-Mailer: Evolution/1.0.0.99+cvs.2001.12.06.08.57 (Preview Release) Date: 10 Dec 2001 02:36:28 -0500 Message-Id: <1007969789.1235.34.camel@phantasy> Mime-Version: 1.0 Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org On Mon, 2001-12-10 at 02:26, Robert Love wrote: > Cache color is how many indexes there are into a cache. Caches > typically aren't direct mapped: Shouldn't of said direct mapped there, they actually are direct mapped. I meant the function from virtual memory to cache isn't one-to-one, i.e. multiple virtual addresses map to similar cache lines. I should of added that n-way set associativity is increasingly making this all less needed, but its still has benefits (the downside is there is overhead, obviously, to making sure everything maps appropriately). Robert Love - 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/