Received: by 2002:a05:6a10:5bc5:0:0:0:0 with SMTP id os5csp505986pxb; Tue, 19 Oct 2021 07:22:10 -0700 (PDT) X-Google-Smtp-Source: ABdhPJzvVMghL3+ruDxsE+G0cdyrI5yklPlbzq2XPPRi6Lu3v+W5sWi0ILx1p7Qrc7c2yGsfHYGY X-Received: by 2002:a05:6402:94c:: with SMTP id h12mr47666794edz.21.1634653330272; Tue, 19 Oct 2021 07:22:10 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1634653330; cv=none; d=google.com; s=arc-20160816; b=y8D0gDaNKLVcrkit1eAVU03ERWs5cfV+olfiNcX1f2dU9Ad7QFDmfj9vtbZjOyiP/3 3kIKhcS0VRKJF7VTkGIE+DTmiiSBpEO3CAs6RlM8XgnVIhi1KPvWxHB+RfNaY8IS0lQn T03lq6pX9BD58hoasdWkJgujqktLs9OzlZUvLosh5BJA/CVdNlWNBqCFqrkWNdpzRkWr fCaBCMLioSmydQObvBQ63mIDvA2+80lid0m/g9mAwzWavhQ+gWEMQh4s8bRJ4muqmm8I n4maMhUvi1yAthJE19bF8mqwa/YpRn8l02hDkvujgnHwNbJCoNPNSV5GYpl1WBJ4xDrh LrLw== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:in-reply-to:content-disposition:mime-version :references:message-id:subject:cc:to:from:date:dkim-signature; bh=17XfwS65rinqRQ1q6ipG3Hb8XhX7XNxJzO/iLYtDfK8=; b=FukO5HF4NBp4jJGEMn/Sr7JmqtZhU5vB4NS38eCqvyBVGiUdTRKsU+cc0owDGhA+Kn 8Hm/KlLz16gKxp8m0yPkIuK3OFvF9Dn52yMMabJm0NZFMzxSHO8vrPXaE8SPP1yT+xn4 3Hm51QcOKjcoWTyuQO4F5XEBJg4HqDxn0WwVR9fTBWF4fsVa79u9QJ9LH0eff6GtaEeG KPci9L4uiteb9rMINv7gFDdvRBTH9Ns1hc9q8NfPo8rO4LhmpBP4dt2qrXSEnnWkwkCa Nj4OIYEyjKLH+iUQeMGRfTQAkVSXU+i5/eEWeh2MxNBmGzX7BxSAhZI95Gv7qEiCHJkj 1qjw== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@suse.com header.s=susede1 header.b=QpnkvsCK; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=QUARANTINE sp=NONE dis=NONE) header.from=suse.com Return-Path: Received: from vger.kernel.org (vger.kernel.org. [23.128.96.18]) by mx.google.com with ESMTP id t9si28951783edd.336.2021.10.19.07.21.45; Tue, 19 Oct 2021 07:22:10 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18; Authentication-Results: mx.google.com; dkim=pass header.i=@suse.com header.s=susede1 header.b=QpnkvsCK; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=QUARANTINE sp=NONE dis=NONE) header.from=suse.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230303AbhJSOVx (ORCPT + 99 others); Tue, 19 Oct 2021 10:21:53 -0400 Received: from smtp-out2.suse.de ([195.135.220.29]:33016 "EHLO smtp-out2.suse.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229649AbhJSOVw (ORCPT ); Tue, 19 Oct 2021 10:21:52 -0400 Received: from relay2.suse.de (relay2.suse.de [149.44.160.134]) by smtp-out2.suse.de (Postfix) with ESMTP id D5E571FD66; Tue, 19 Oct 2021 14:19:38 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=suse.com; s=susede1; t=1634653178; h=from:from:reply-to:date:date:message-id:message-id:to:to:cc:cc: mime-version:mime-version:content-type:content-type: in-reply-to:in-reply-to:references:references; bh=17XfwS65rinqRQ1q6ipG3Hb8XhX7XNxJzO/iLYtDfK8=; b=QpnkvsCK9QJG2NyfNxwehgKhumEq8pDVXnpoMGN8xddkAgH7ZIiQiOX7D9WT2NjdLI/jgt /wzL6qvCxdyIDB6JS9svh59sSk2sZtQWMMNpmX4vXEb+OaoLLk0/hHU8TttGB5C5zksYsg HyUqFZ8b61DP8AYqq0iyHrqA7lj0kLk= Received: from suse.cz (unknown [10.100.201.86]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by relay2.suse.de (Postfix) with ESMTPS id A9F6CA3B83; Tue, 19 Oct 2021 14:19:38 +0000 (UTC) Date: Tue, 19 Oct 2021 16:19:38 +0200 From: Michal Hocko To: Vasily Averin Cc: Johannes Weiner , Vladimir Davydov , Andrew Morton , Roman Gushchin , Uladzislau Rezki , Vlastimil Babka , Shakeel Butt , Mel Gorman , cgroups@vger.kernel.org, linux-mm@kvack.org, linux-kernel@vger.kernel.org, kernel@openvz.org Subject: Re: [PATCH memcg 0/1] false global OOM triggered by memcg-limited task Message-ID: References: <6b751abe-aa52-d1d8-2631-ec471975cc3a@virtuozzo.com> <339ae4b5-6efd-8fc2-33f1-2eb3aee71cb2@virtuozzo.com> <687bf489-f7a7-5604-25c5-0c1a09e0905b@virtuozzo.com> <6c422150-593f-f601-8f91-914c6c5e82f4@virtuozzo.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Tue 19-10-21 16:13:19, Michal Hocko wrote: [...] > That patch has to be discuss in its full length. There were other > details I have brought up AFAIU. And btw. thanks for walking through that maze! It is far from trivial with side effects all over the place which far from obvious and heavily underdocumented. -- Michal Hocko SUSE Labs