From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S261492AbTLGGTt (ORCPT ); Sun, 7 Dec 2003 01:19:49 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S262176AbTLGGTt (ORCPT ); Sun, 7 Dec 2003 01:19:49 -0500 Received: from sitemail3.everyone.net ([216.200.145.37]:32698 "EHLO omta06.mta.everyone.net") by vger.kernel.org with ESMTP id S261492AbTLGGTp (ORCPT ); Sun, 7 Dec 2003 01:19:45 -0500 Content-Type: multipart/mixed; boundary="----------=_1070777984-13338-1" Content-Transfer-Encoding: binary Mime-Version: 1.0 X-Mailer: MIME-tools 5.41 (Entity 5.404) Date: Sat, 6 Dec 2003 22:19:44 -0800 (PST) From: john moser To: linux-kernel@vger.kernel.org Subject: Memory Managment idea to help move things to userspace Reply-To: bluefoxicy@linux.net X-Originating-Ip: [68.33.187.247] Message-Id: <20031207061944.2D005E4B9@sitemail.everyone.net> Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org This is a multi-part message in MIME format... ------------=_1070777984-13338-1 Content-Type: text/plain Content-Disposition: inline Content-Transfer-Encoding: 7bit I've been told there's issues with transferring huge amounts of data between kernelspace and userspace. I think I may have a solution, if this problem does indeed exist. This would make things such as userspace netfiltering and userspace network filesystem drivers extremely feasable by effectively eliminating all data transfer overhead to and from the kernel in a secure and efficient manner. PLEASE read and review this. If it is complete and utter braindamage and simply not possible, please explain why, and discard. If it IS good, then please plan to impliment in 2.7/2.8 (I realize I'm too late for 2.6). If it's close but not quite there, FIX IT. It's just an idea. --Bluefox Icy _____________________________________________________________ Linux.Net -->Open Source to everyone Powered by Linare Corporation http://www.linare.com/ ------------=_1070777984-13338-1 Content-Type: text/plain; name="ukshm.txt" Content-Disposition: inline; filename="ukshm.txt" Content-Transfer-Encoding: base64 dXNlci1rZXJuZWwgc2hhcmVkIG1lbW9yeQoKVEhFUkUgSVMgQU4gSVNTVUUg d2l0aCB1c2Vyc3BhY2UgcHJvZ3JhbXMgY29tbXVuaWNhdGluZyB3aXRoIHRo ZSBrZXJuZWwsIGZyb20Kd2hhdCBJIGhlYXIuICBUaGlzIGlzc3VlIGlzIHRo YXQgdGhlIHRyYW5zZmVycmVuY2Ugb2YgZGF0YSB0byBhbmQgZnJvbSB0aGUK a2VybmVsIGluY3VycnMgYSBsYXJnZSBhbW91bnQgb2Ygb3ZlcmhlYWQuICBJ IGhhdmUgYXR0ZW1wdGVkIHRvIGNvbWUgdXAgd2l0aCBhCmhhbGZ3YXkgZGVj ZW50IHdheSB0byBnZXQgYXJvdW5kIHRoaXMsIGFuZCBJIHdpbGwgc3RhdGUg bXkgcmVzdWx0cyBoZXJlLgoKRklSU1QgTEVUIE1FIEFTU0VSVCB0aGF0IEkg ZG8gbm90IGhhdmUgYW55IGV4cGVydCB1bmRlcnN0YW5kaW5nIG9mIHRoZSBz bGFiCmFsbG9jYXRvciBPUiBvZiB0aGUgVExCOyB0aGUgc2xhYiBjb2RlIGNv 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