From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751599AbeCIFSc (ORCPT ); Fri, 9 Mar 2018 00:18:32 -0500 Received: from smtp.codeaurora.org ([198.145.29.96]:37498 "EHLO smtp.codeaurora.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751078AbeCIFSb (ORCPT ); Fri, 9 Mar 2018 00:18:31 -0500 DMARC-Filter: OpenDMARC Filter v1.3.2 smtp.codeaurora.org 424DF6038E Authentication-Results: pdx-caf-mail.web.codeaurora.org; dmarc=none (p=none dis=none) header.from=codeaurora.org Authentication-Results: pdx-caf-mail.web.codeaurora.org; spf=none smtp.mailfrom=cpandya@codeaurora.org Subject: Re: [PATCH v2] slub: use jitter-free reference while printing age 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 References: <1520492010-19389-1-git-send-email-cpandya@codeaurora.org> From: Chintan Pandya Message-ID: <2e02a8f9-8a28-1db4-3dde-8490ee294e5f@codeaurora.org> Date: Fri, 9 Mar 2018 10:48:24 +0530 User-Agent: Mozilla/5.0 (Windows NT 10.0; WOW64; rv:52.0) Gecko/20100101 Thunderbird/52.6.0 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: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 3/8/2018 11:42 PM, Christopher Lameter wrote: > On Thu, 8 Mar 2018, Chintan Pandya wrote: > >> In this case, object got freed later but 'age' >> shows otherwise. This could be because, while >> printing this info, we print allocation traces >> first and free traces thereafter. In between, >> if we get schedule out or jiffies increment, >> (jiffies - t->when) could become meaningless. > > Could you show the new output style too? New output will exactly be same. 'age' is still staying with single jiffies ref in both prints. > > Acked-by: Christoph Lameter Thanks Chintan -- Qualcomm India Private Limited, on behalf of Qualcomm Innovation Center, Inc. is a member of the Code Aurora Forum, a Linux Foundation Collaborative Project