From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id ; Mon, 7 May 2001 19:07:13 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id ; Mon, 7 May 2001 19:06:59 -0400 Received: from pizda.ninka.net ([216.101.162.242]:47018 "EHLO pizda.ninka.net") by vger.kernel.org with ESMTP id ; Mon, 7 May 2001 19:05:44 -0400 From: "David S. Miller" MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit Message-ID: <15095.10822.456452.929992@pizda.ninka.net> Date: Mon, 7 May 2001 16:05:42 -0700 (PDT) To: "Manfred Spraul" Cc: "Ben LaHaise" , Subject: Re: [PATCH] zero^H^H^H^Hsingle copy pipe In-Reply-To: <001601c0d713$d60a17b0$5517fea9@local> In-Reply-To: <3AF6CA1B.9849CE6A@redhat.com> <001601c0d713$d60a17b0$5517fea9@local> X-Mailer: VM 6.75 under 21.1 (patch 13) "Crater Lake" XEmacs Lucid Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Manfred Spraul writes: > If I understand the BSD direct-pipe code correctly > it has a swap file based backing store. I think that's insane. And > limiting the direct copy buffers to a few kB defeats the purpose of > direct copy. Last time I studied that FreeBSD pipe code, it used a global limit for locked memory. Later, David S. Miller davem@redhat.com