From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753558AbXC1Efk (ORCPT ); Wed, 28 Mar 2007 00:35:40 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1753546AbXC1Efk (ORCPT ); Wed, 28 Mar 2007 00:35:40 -0400 Received: from ebiederm.dsl.xmission.com ([166.70.28.69]:46321 "EHLO ebiederm.dsl.xmission.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751078AbXC1Efj (ORCPT ); Wed, 28 Mar 2007 00:35:39 -0400 From: ebiederm@xmission.com (Eric W. Biederman) To: Michael Ellerman Cc: linux-pci@atrey.karlin.mff.cuni.cz, Greg Kroah-Hartman , "David S. Miller" , Benjamin Herrenschmidt , , Andrew Morton , Subject: Re: [PATCH 8/21] MSI: Remove msi_cache References: <20070322105339.D3A36DDF53@ozlabs.org> Date: Tue, 27 Mar 2007 22:35:05 -0600 In-Reply-To: <20070322105339.D3A36DDF53@ozlabs.org> (Michael Ellerman's message of "Thu, 22 Mar 2007 21:51:36 +1100") Message-ID: User-Agent: Gnus/5.110006 (No Gnus v0.6) Emacs/21.4 (gnu/linux) MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Michael Ellerman writes: > We don't need a special cache just for msi descriptors. They're not > particularly large, under 100 bytes for sure, and don't seem to require any > special alignment etc. On most systems there will be relatively few MSIs, > and hence we waste most of a page on the cache. Better to just kzalloc the > space for the few we do need. Acked-by: "Eric W. Biederman"