From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-pg0-f69.google.com (mail-pg0-f69.google.com [74.125.83.69]) by kanga.kvack.org (Postfix) with ESMTP id A3E556B0038 for ; Thu, 14 Sep 2017 13:49:04 -0400 (EDT) Received: by mail-pg0-f69.google.com with SMTP id j16so94950pga.6 for ; Thu, 14 Sep 2017 10:49:04 -0700 (PDT) Received: from out0-230.mail.aliyun.com (out0-230.mail.aliyun.com. [140.205.0.230]) by mx.google.com with ESMTPS id c10si11777129pfl.6.2017.09.14.10.49.02 for (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Thu, 14 Sep 2017 10:49:03 -0700 (PDT) Subject: Re: [PATCH 3/3] mm: oom: show unreclaimable slab info when kernel panic References: <1505409289-57031-1-git-send-email-yang.s@alibaba-inc.com> <1505409289-57031-4-git-send-email-yang.s@alibaba-inc.com> From: "Yang Shi" Message-ID: <9037e387-2828-8f77-2dab-01f290187119@alibaba-inc.com> Date: Fri, 15 Sep 2017 01:48:56 +0800 MIME-Version: 1.0 In-Reply-To: Content-Type: text/plain; charset=utf-8; format=flowed Content-Language: en-US Content-Transfer-Encoding: 7bit Sender: owner-linux-mm@kvack.org List-ID: To: Christopher Lameter Cc: penberg@kernel.org, rientjes@google.com, iamjoonsoo.kim@lge.com, akpm@linux-foundation.org, linux-mm@kvack.org, linux-kernel@vger.kernel.org On 9/14/17 10:32 AM, Christopher Lameter wrote: > I am not sure that this is generally useful at OOM times unless this is > not a rare occurrence. I would say it is not very rare. But, it is definitely troublesome to narrow down without certain information about slab usage when it happens. Thanks, Yang > > Certainly information like that would create more support for making > objects movable > -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@kvack.org. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: email@kvack.org