From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-13.3 required=3.0 tests=BAYES_00,DKIMWL_WL_MED, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,USER_IN_DEF_DKIM_WL autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 2F46BC433E0 for ; Tue, 9 Mar 2021 21:13:16 +0000 (UTC) Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by mail.kernel.org (Postfix) with ESMTP id B44B365253 for ; Tue, 9 Mar 2021 21:13:15 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org B44B365253 Authentication-Results: mail.kernel.org; dmarc=fail (p=reject dis=none) header.from=google.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=owner-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix) id 1585A8D0145; Tue, 9 Mar 2021 16:13:15 -0500 (EST) Received: by kanga.kvack.org (Postfix, from userid 40) id 12FA38D012A; Tue, 9 Mar 2021 16:13:15 -0500 (EST) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 01E668D0145; Tue, 9 Mar 2021 16:13:14 -0500 (EST) X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0001.hostedemail.com [216.40.44.1]) by kanga.kvack.org (Postfix) with ESMTP id DA79E8D012A for ; Tue, 9 Mar 2021 16:13:14 -0500 (EST) Received: from smtpin02.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay03.hostedemail.com (Postfix) with ESMTP id 91F4582499B9 for ; Tue, 9 Mar 2021 21:13:14 +0000 (UTC) X-FDA: 77901586308.02.2C5611E Received: from mail-lf1-f46.google.com (mail-lf1-f46.google.com [209.85.167.46]) by imf28.hostedemail.com (Postfix) with ESMTP id AF12C2000397 for ; Tue, 9 Mar 2021 21:13:14 +0000 (UTC) Received: by mail-lf1-f46.google.com with SMTP id v9so29734256lfa.1 for ; Tue, 09 Mar 2021 13:13:13 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20161025; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc; bh=mS9vo6iXv4jFE0RaAV7Z3FQHExEtvgPe4n5aXOd4Ddc=; b=Yi+mL8MLTiKYYsa94zraqn379hUW+MeC29zszoENAedRL5SdQ19igl19IemtwyjI31 3cZVNfhuDWDPtC4lhaBhc9Pi6SFGfECg/5dujXNWZJFV7I4A91ecNzInpD/5qcm0AvwM LDl1z2ZjzAY8wwCk5J+RCYMS5chvpsTcRoDzf9ZfbCWS+Ym7Wgrb/3EjtUcoQIBexeBx v00yijtoXh7YCVkZ6wOGepP2dMwHap9YJAhPwdE0T+TLKj8vYswLV2oObYEI8J68PJgW sRvSlbGH07gMR7YNsT3GfIBJAsLy4foKcAkFhbukb3pnRPyO3nS7J1ZXIkaI/C/R0r+Z woHw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc; bh=mS9vo6iXv4jFE0RaAV7Z3FQHExEtvgPe4n5aXOd4Ddc=; b=Q4wAUCtcUxdCa7/ySMC0wbkmPwBwuVZQUl8iM+u/rgvHpQyIDLq9h4f/2axYamz9kS uLv1rVE34j4P4kJFX62cBWEr2WoueXOqK1HudYvDxV6ojkSKhG1AcQSfVJHKLjN4xALv Ao8VQiz9TselzpzT2J2/o7SE35r1ySbM2sFJs9OnCknc/trgaQi/28MCCJcjQndC18hf jtT0hLWiNjGTe+yo9tPgE6izTQPYimAvm/FEbEzUbsYSC5SHfkoZKScbu9ccfmGlqhQy n0mF8HxWAawUUVS8ahJgO7FF8ap5piSErKA43hDakDr2Vdsw05DB7b9oDMI7jEOtEOZO i+nw== X-Gm-Message-State: AOAM530Wa7NHHNyRZMB9U7gmMSHVwDXA+teIeJTr9976/IYCRqOsJ2WF h6M88Agu5G3JlzWKdJmGxvodSy3wdre6N04z+SrbHQ== X-Google-Smtp-Source: ABdhPJxQPB6fQQQnkTYMKphdPLzxNg/Rb49LywxTRgHXHEpJu1gDvnu4zpK0jTmSCBq9RkClmj4LnaCyuC/TkK57v9Q= X-Received: by 2002:a05:6512:39c9:: with SMTP id k9mr18191698lfu.432.1615324391605; Tue, 09 Mar 2021 13:13:11 -0800 (PST) MIME-Version: 1.0 References: <5affff71-e503-9fb9-50cb-f6d48286dd52@virtuozzo.com> In-Reply-To: <5affff71-e503-9fb9-50cb-f6d48286dd52@virtuozzo.com> From: Shakeel Butt Date: Tue, 9 Mar 2021 13:12:59 -0800 Message-ID: Subject: Re: [PATCH 0/9] memcg accounting from OpenVZ To: Vasily Averin Cc: Cgroups , Linux MM , Johannes Weiner , Michal Hocko , Vladimir Davydov Content-Type: text/plain; charset="UTF-8" X-Rspamd-Server: rspam03 X-Rspamd-Queue-Id: AF12C2000397 X-Stat-Signature: gjguaen1u4q6bj48k4aoxxs3w5e47tf9 Received-SPF: none (google.com>: No applicable sender policy available) receiver=imf28; identity=mailfrom; envelope-from=""; helo=mail-lf1-f46.google.com; client-ip=209.85.167.46 X-HE-DKIM-Result: pass/pass X-HE-Tag: 1615324394-199344 X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: On Tue, Mar 9, 2021 at 12:04 AM Vasily Averin wrote: > > OpenVZ many years accounted memory of few kernel objects, > this helps us to prevent host memory abuse from inside memcg-limited container. > The text is cryptic but I am assuming you wanted to say that OpenVZ has remained on a kernel which was still on opt-out kmem accounting i.e. <4.5. Now OpenVZ wants to move to a newer kernel and thus these patches are needed, right?