Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S270451AbUJTTjp (ORCPT ); Wed, 20 Oct 2004 15:39:45 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S270442AbUJTTb5 (ORCPT ); Wed, 20 Oct 2004 15:31:57 -0400 Received: from cantor.suse.de ([195.135.220.2]:47560 "EHLO Cantor.suse.de") by vger.kernel.org with ESMTP id S270432AbUJTTaP (ORCPT ); Wed, 20 Oct 2004 15:30:15 -0400 To: Hugh Dickins Cc: linux-kernel@vger.kernel.org Subject: Re: 2.6.9 PageAnon bug References: From: Andi Kleen Date: 20 Oct 2004 21:27:39 +0200 In-Reply-To: Message-ID: User-Agent: Gnus/5.09 (Gnus v5.9.0) Emacs/21.3 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 Content-Length: 616 Lines: 13 Hugh Dickins writes: > But what does "aligned(2)" or "aligned(4)" do on 64-bit machines - > any danger of it aligning stupidly? I think not, but know little. It will align stupidly. This means on x86-64 i don't care too much because the misalignment penalty on K8 is only 1 cycle and not that much worse on P4, but others may care more. -Andi - 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/