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[209.132.180.67]) by mx.google.com with ESMTP id q30si6609947eda.5.2019.09.23.06.53.52; Mon, 23 Sep 2019 06:54:16 -0700 (PDT) Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; dkim=pass header.i=@kernel.org header.s=default header.b=Zrz20NN7; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729070AbfIUANl (ORCPT + 99 others); Fri, 20 Sep 2019 20:13:41 -0400 Received: from mail.kernel.org ([198.145.29.99]:54350 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727951AbfIUANl (ORCPT ); Fri, 20 Sep 2019 20:13:41 -0400 Received: from localhost.localdomain (c-73-223-200-170.hsd1.ca.comcast.net [73.223.200.170]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 7C1C820C01; Sat, 21 Sep 2019 00:13:40 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1569024820; bh=17JRz2amHdxSVooJ13gPyptXnx8eAB3apkUDMD7W4vc=; h=Date:From:To:Cc:Subject:In-Reply-To:References:From; b=Zrz20NN7PFy5ZN41xCLt4x7O4O9oeDirT1iTE0v4ix1M/eqKK/K6n9xtKke+NhQi5 /CjnzAS03Lwaq/qIadmBqnYx8xzIEBNDNjXy6fGUElfwbGhcZ/b89kHAzvXvNkGAAX HHRialNwDAHXLcgewgKIGPYXNfy8dWIU0DG4fTTo= Date: Fri, 20 Sep 2019 17:13:40 -0700 From: Andrew Morton To: Michal Hocko Cc: Joel Savitz , linux-kernel@vger.kernel.org, Rafael Aquini , David Rientjes , linux-mm@kvack.org Subject: Re: [RESEND PATCH v2] mm/oom_killer: Add task UID to info message on an oom kill Message-Id: <20190920171340.7591fd2899a06b5e7c390b76@linux-foundation.org> In-Reply-To: <20190613082318.GB9343@dhcp22.suse.cz> References: <1560362273-534-1-git-send-email-jsavitz@redhat.com> <20190613082318.GB9343@dhcp22.suse.cz> X-Mailer: Sylpheed 3.5.1 (GTK+ 2.24.31; x86_64-pc-linux-gnu) Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Thu, 13 Jun 2019 10:23:18 +0200 Michal Hocko wrote: > On Wed 12-06-19 13:57:53, Joel Savitz wrote: > > In the event of an oom kill, useful information about the killed > > process is printed to dmesg. Users, especially system administrators, > > will find it useful to immediately see the UID of the process. > > Could you be more specific please? We already print uid when dumping > eligible tasks so it is not overly hard to find that information in the > oom report. Well, except when dumping of eligible tasks is disabled. Is > this what you are after? > > Please always be specific about usecases in the changelog. A terse > statement that something is useful doesn't tell much very often. > I'll add this to the chagnelog: : We already print uid when dumping eligible tasks so it is not overly hard : to find that information in the oom report. However this information is : unavailable then dumping of eligible tasks is disabled.