Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1760242AbXEUKsk (ORCPT ); Mon, 21 May 2007 06:48:40 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1754934AbXEUKsc (ORCPT ); Mon, 21 May 2007 06:48:32 -0400 Received: from as3.cineca.com ([130.186.84.211]:38095 "EHLO as3.cineca.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754375AbXEUKsc (ORCPT ); Mon, 21 May 2007 06:48:32 -0400 Message-ID: <465178E6.60305@users.sourceforge.net> From: Andrea Righi Reply-To: righiandr@users.sourceforge.net User-Agent: Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.8.1.3) Gecko/20070326 Thunderbird/2.0.0.0 Mnenhy/0.7.5.666 MIME-Version: 1.0 To: Andrew Morton Cc: Bernd Eckenfels , linux-kernel@vger.kernel.org, Rik van Riel , linux-mm@kvack.org, Ingo Molnar Subject: Re: [PATCH 2/2] log out-of-virtual-memory events References: <464ED292.8020202@users.sourceforge.net> <20070520203209.ec952a84.akpm@linux-foundation.org> In-Reply-To: <20070520203209.ec952a84.akpm@linux-foundation.org> X-Enigmail-Version: 0.95.0 OpenPGP: id=77CEF397; url=keyserver.veridis.com Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Date: Mon, 21 May 2007 12:48:33 +0200 (MEST) Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 927 Lines: 22 Andrew Morton wrote: > On Sat, 19 May 2007 12:34:01 +0200 (MEST) Andrea Righi wrote: > >> Print informations about userspace processes that fail to allocate new virtual >> memory. > > Why is this useful? > Well... in strict overcommit mode (overcommit_memory=2) this is the only way to track down problems of the (bad-designed) user applications that exit when they receive a -ENOMEM without logging anything... and, anyway, it could be an additional aid in figuring out what is going wrong on inside a system. BTW, I don't think it should be enabled by default, so this is the reason why it should depend on print_fatal_signals patch. -Andrea - 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/