From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S267585AbUHZEz2 (ORCPT ); Thu, 26 Aug 2004 00:55:28 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S267607AbUHZEz1 (ORCPT ); Thu, 26 Aug 2004 00:55:27 -0400 Received: from parcelfarce.linux.theplanet.co.uk ([195.92.249.252]:28837 "EHLO www.linux.org.uk") by vger.kernel.org with ESMTP id S267585AbUHZEzV (ORCPT ); Thu, 26 Aug 2004 00:55:21 -0400 Date: Thu, 26 Aug 2004 05:55:20 +0100 From: viro@parcelfarce.linux.theplanet.co.uk To: Anton Blanchard Cc: akpm@osdl.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH] reduce size of struct inode on 64bit Message-ID: <20040826045520.GS21964@parcelfarce.linux.theplanet.co.uk> References: <20040826044113.GA10843@krispykreme> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20040826044113.GA10843@krispykreme> User-Agent: Mutt/1.4.1i Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org On Thu, Aug 26, 2004 at 02:41:13PM +1000, Anton Blanchard wrote: > > Reduce the size of struct inode on 64bit architectures by reducing padding. > This assumes spinlocks are 32bit or less which is the case on most > architectures. > > This reduces inode structs by 24 bytes on ppc64, and on ext2 increases > the number of inodes in a 4kB slab from 5 to 6. ACK