From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754417AbYFHIBV (ORCPT ); Sun, 8 Jun 2008 04:01:21 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1754151AbYFHIBF (ORCPT ); Sun, 8 Jun 2008 04:01:05 -0400 Received: from rv-out-0506.google.com ([209.85.198.225]:19750 "EHLO rv-out-0506.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754132AbYFHIBC (ORCPT ); Sun, 8 Jun 2008 04:01:02 -0400 DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=message-id:date:from:user-agent:mime-version:to:cc:subject :content-type:content-transfer-encoding; b=p7JNryp+9vdWISY26ZYbHrkjUaRSn2/uaCkFLmrrftDO0b2DXKBBRkAqk2uSjMO/KR KXYXXIm/kNPkRj0jPRqyxBzShWgVx/ekQSZKjw8GaiatzVNZAX5TXljDw8Pj4o/BcOAq GySsO/ZN42DtNr7tsad/1ypI5v9+bvKMKN/pQ= Message-ID: <484B91B9.5060204@gmail.com> Date: Sun, 08 Jun 2008 16:00:57 +0800 From: RuoMu Hu User-Agent: Thunderbird 2.0.0.14 (X11/20080505) MIME-Version: 1.0 To: linux-kernel@vger.kernel.org CC: linux-serial@vger.kernel.org, linux-net@vger.kernel.org Subject: Create proc entry under /proc/sys/kernel Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hi! Is it possible to create a proc entry under /proc/sys/kernel directly by create_proc_read_entry in the way shown below? test_pde = create_proc_read_entry("/proc/sys/kernel/test", 0, NULL, test_read_proc, NULL); if (test_pde == NULL) { printk(KERN_ERR "Failed to create the test proc file.\n"); return -ENOMEM; } I'm using this in my kernel module but create_proc_read_entry always returns fail, while there's no problem creating proc entries directly under /proc. The kernel source I'm building my kernel module against is 2.6.25.4. Any idea? Thanks Romu