Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753606AbWL0Quq (ORCPT ); Wed, 27 Dec 2006 11:50:46 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1753633AbWL0Quq (ORCPT ); Wed, 27 Dec 2006 11:50:46 -0500 Received: from mx2.mail.elte.hu ([157.181.151.9]:37232 "EHLO mx2.mail.elte.hu" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750866AbWL0Qup (ORCPT ); Wed, 27 Dec 2006 11:50:45 -0500 Date: Wed, 27 Dec 2006 17:47:45 +0100 From: Ingo Molnar To: Catalin Marinas Cc: linux-kernel@vger.kernel.org Subject: Re: [PATCH 2.6.20-rc1 00/10] Kernel memory leak detector 0.13 Message-ID: <20061227164745.GA10077@elte.hu> References: <20061216153346.18200.51408.stgit@localhost.localdomain> <20061216165738.GA5165@elte.hu> <20061217085859.GB2938@elte.hu> <20061217090943.GA9246@elte.hu> <20061217092828.GA14181@elte.hu> <20061217094143.GA15372@elte.hu> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.4.2.2i X-ELTE-VirusStatus: clean X-ELTE-SpamScore: -2.6 X-ELTE-SpamLevel: X-ELTE-SpamCheck: no X-ELTE-SpamVersion: ELTE 2.0 X-ELTE-SpamCheck-Details: score=-2.6 required=5.9 tests=BAYES_00 autolearn=no SpamAssassin version=3.0.3 -2.6 BAYES_00 BODY: Bayesian spam probability is 0 to 1% [score: 0.0000] Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 887 Lines: 22 * Catalin Marinas wrote: > On 17/12/06, Ingo Molnar wrote: > >it would be nice to record 1) the jiffies value at the time of > >allocation, 2) the PID and the comm of the task that did the allocation. > >The jiffies timestamp would be useful to see the age of the allocation, > >and the PID/comm is useful for context. > > Trying to copy the comm with get_task_comm, I get the lockdep report > below, caused by acquiring the task's alloc_lock. Any idea how to go > around this? just memcpy p->comm without any locking. It's for the current task, right? That does not need any locking. Ingo - 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/