From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S262395AbULCRSE (ORCPT ); Fri, 3 Dec 2004 12:18:04 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S262389AbULCRSD (ORCPT ); Fri, 3 Dec 2004 12:18:03 -0500 Received: from wproxy.gmail.com ([64.233.184.194]:29605 "EHLO wproxy.gmail.com") by vger.kernel.org with ESMTP id S262395AbULCRQs (ORCPT ); Fri, 3 Dec 2004 12:16:48 -0500 DomainKey-Signature: a=rsa-sha1; q=dns; c=nofws; s=beta; d=gmail.com; h=received:message-id:date:from:reply-to:to:subject:mime-version:content-type:content-transfer-encoding; b=aFlO6GvhQZKJ65GNcOdzWq50ulZNRwODAa3UTKB8BQ41U4gT9eo/kmEPMcMR4BQvnTPueUf77ab1Vq8K3b27DHEZkNlPo5MQZVhqhyRB6zsWTJtKEDU2ifAy+7os/ZyHN83YnoQ2BFepel4JCZDzeBXcBJPsARjBJSklpv4FJ0w= Message-ID: <64b1faec041203091654251b18@mail.gmail.com> Date: Fri, 3 Dec 2004 18:16:43 +0100 From: Sylvain Reply-To: Sylvain To: Linux Kernel Subject: distinguish kernel thread / user task Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Hi all, I have little question while doing some kernel implementation. How can I distinguish whether a task_struct is actually kernel thread or mere user task? My idea was to look at task_struct "mm" field to discriminate them, but that was wrong... Thanks, Sylvain