From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-wm1-f70.google.com (mail-wm1-f70.google.com [209.85.128.70]) by kanga.kvack.org (Postfix) with ESMTP id C1CA98E0001 for ; Mon, 24 Sep 2018 08:42:06 -0400 (EDT) Received: by mail-wm1-f70.google.com with SMTP id 199-v6so9823534wme.1 for ; Mon, 24 Sep 2018 05:42:06 -0700 (PDT) Received: from mail-sor-f41.google.com (mail-sor-f41.google.com. [209.85.220.41]) by mx.google.com with SMTPS id n15-v6sor25032950wrm.3.2018.09.24.05.42.05 for (Google Transport Security); Mon, 24 Sep 2018 05:42:05 -0700 (PDT) Date: Mon, 24 Sep 2018 14:42:03 +0200 From: Oscar Salvador Subject: Re: Warning after memory hotplug then online. Message-ID: <20180924124203.GA4885@techadventures.net> References: <20180924130701.00006a7b@huawei.com> <20180924123917.GA4775@techadventures.net> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20180924123917.GA4775@techadventures.net> Sender: owner-linux-mm@kvack.org List-ID: To: Jonathan Cameron Cc: linux-mm@kvack.org, cgroups@vger.kernel.org, linuxarm@huawei.com On Mon, Sep 24, 2018 at 02:39:17PM +0200, Oscar Salvador wrote: > On Mon, Sep 24, 2018 at 01:07:01PM +0100, Jonathan Cameron wrote: > > > > Hi All, > > > > This is with some additional patches on top of the mm tree to support > > arm64 memory hot plug, but this particular issue doesn't (at first glance) > > seem to be connected to that. It's not a recent issue as IIRC I > > disabled Kconfig for cgroups when starting to work on this some time ago > > as a quick and dirty work around for this. > > Hi Jonathan, > > would you mind to describe the steps you are taking? > You are adding the memory, and then you online it? I forgot to ask. Does this warning only show up with 4.19.0-rc4-mm1-00209-g70dc260f963a, or you can trigger it with an older version? Do you happen to know the last one that did not trigger that warning? Thanks -- Oscar Salvador SUSE L3