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 Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by smtp.lore.kernel.org (Postfix) with ESMTP id 40127C433EF for ; Fri, 10 Jun 2022 19:55:45 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id 535868D00DD; Fri, 10 Jun 2022 15:55:44 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id 4E4EF8D00DC; Fri, 10 Jun 2022 15:55:44 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 386978D00DD; Fri, 10 Jun 2022 15:55:44 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from relay.hostedemail.com (smtprelay0015.hostedemail.com [216.40.44.15]) by kanga.kvack.org (Postfix) with ESMTP id 25EDF8D00DC for ; Fri, 10 Jun 2022 15:55:44 -0400 (EDT) Received: from smtpin28.hostedemail.com (a10.router.float.18 [10.200.18.1]) by unirelay01.hostedemail.com (Postfix) with ESMTP id E71386059C for ; Fri, 10 Jun 2022 19:55:43 +0000 (UTC) X-FDA: 79563381366.28.96D92D2 Received: from mail-pf1-f178.google.com (mail-pf1-f178.google.com [209.85.210.178]) by imf14.hostedemail.com (Postfix) with ESMTP id 93D0510005A for ; Fri, 10 Jun 2022 19:55:43 +0000 (UTC) Received: by mail-pf1-f178.google.com with SMTP id i64so323774pfc.8 for ; Fri, 10 Jun 2022 12:55:43 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20210112; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc; bh=QBy6NjH2ouB9J4AcBo7wTpbSKkOShDZoTHSArfldiUw=; b=sklHbZakJDBBoAiTpjSD5q4HxK1etfA1WIC7E1GGXxranlMwDMPGy/uz2sJhGgVhFh PsuwAc1Kvt+JrVxUxoIbUT41GO80lUj3bVmOMXx/EiCDoPrvSZTi5VA6KlhM0oySyOuR +tYZA59GVkAhi7mk0TAsOWGswz98wriVH5TPC/c2Qf2YokWtgLtStUvjfTvamYaneEGH bzvkFbDMtZuEKw/jnULBvxk8zwbsM2bB87HtefiubybLbL+H3NdXdw9PHE9MFa1uwCCh tyZDjrUVtcAARyszAW1G5DhaCKiwkKolBeX5R2/hKBE7ytxWxLfuo/5GEb1KHAlQavBv Z93A== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc; bh=QBy6NjH2ouB9J4AcBo7wTpbSKkOShDZoTHSArfldiUw=; b=NafJsOB13z42/yeZat6MGkQY/LF+19xNQclT7AyDfQmQ1+lvp8+vBXSpDKrTV+78l3 rP12S9iPI40AVP9n4RWPyM2yolV5YGyX5riz4+Smf2E8sy44FvfBykJ1BYyf1PeXxs3j +bZIG7P3iHiD/0TOSM3HlSPwKSJrxYqHhOzSnjaIOgG2I6u/ji1gQTfYUX87c1xoiTtx VGZd8HFRE8Qj98DJlahkmk3sqPQI0Hhmg74sJ0jAsavL/r6cx76bbbwnC2yMvkrBVk5/ VcJEuj5hKsJGOSuoP0g2SvustQTxWZ6oALSEBPnP4rzNT+J8LdB7K6/3vIExUXT/K10Z 6vNw== X-Gm-Message-State: AOAM5328sIjRxmdCHdTj9XlIhbpR5/4yJ8ojv79rcHf4jM1vHwEfMbBn yozNxfga9QWfsVkM/dJDccIYUwUpYAtc+uOc9R++1A== X-Google-Smtp-Source: ABdhPJzEcSokF/zla93DIjSWei/mG/WMD+1gosW/4iq24fWu9VXSfgg5vd1o6/WI+TarUi1z/A31bQpqsNJXGPSmzwc= X-Received: by 2002:a05:6a00:a12:b0:51b:92d7:ec55 with SMTP id p18-20020a056a000a1200b0051b92d7ec55mr55432987pfh.85.1654890942318; Fri, 10 Jun 2022 12:55:42 -0700 (PDT) MIME-Version: 1.0 References: <20220606222058.86688-1-yosryahmed@google.com> <20220606222058.86688-2-yosryahmed@google.com> In-Reply-To: <20220606222058.86688-2-yosryahmed@google.com> From: Shakeel Butt Date: Fri, 10 Jun 2022 12:55:31 -0700 Message-ID: Subject: Re: [PATCH v5 1/4] mm: add NR_SECONDARY_PAGETABLE to count secondary page table uses. To: Yosry Ahmed Cc: Tejun Heo , Johannes Weiner , Zefan Li , Marc Zyngier , James Morse , Alexandru Elisei , Suzuki K Poulose , Paolo Bonzini , Sean Christopherson , Vitaly Kuznetsov , Wanpeng Li , Jim Mattson , Joerg Roedel , Andrew Morton , Michal Hocko , Roman Gushchin , Oliver Upton , Cgroups , LKML , Linux ARM , kvmarm@lists.cs.columbia.edu, kvm@vger.kernel.org, Linux MM Content-Type: text/plain; charset="UTF-8" ARC-Seal: i=1; s=arc-20220608; d=hostedemail.com; t=1654890943; a=rsa-sha256; cv=none; b=qoXqIadyEe9JB36MxS8vtVgu/3b7toqF0x4w3gcdcYL6a3CO7Q1HW9LylaZizN/1EmTvGc E/FLBo7fOMXiiVI6A286knOQ5Fl3FSg+RS8l1TcyWlquuQ28m6LobQlET9mbkWsTfAZjaA wH9LejcjvmtmpAqt2JnOAChLO+/1poI= ARC-Authentication-Results: i=1; imf14.hostedemail.com; dkim=pass header.d=google.com header.s=20210112 header.b=sklHbZak; dmarc=pass (policy=reject) header.from=google.com; spf=pass (imf14.hostedemail.com: domain of shakeelb@google.com designates 209.85.210.178 as permitted sender) smtp.mailfrom=shakeelb@google.com ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=hostedemail.com; s=arc-20220608; t=1654890943; h=from:from:sender:reply-to:subject:subject:date:date: message-id:message-id:to:to:cc:cc:mime-version:mime-version: content-type:content-type:content-transfer-encoding: in-reply-to:in-reply-to:references:references:dkim-signature; bh=QBy6NjH2ouB9J4AcBo7wTpbSKkOShDZoTHSArfldiUw=; b=mGstcbzCR9iAo/+iDFPv4N+UxP8kOUjaxSpxpN5rpVVxXTl4L/FMJZnq4pGKVKCFZ5HHJy d+vwJ4a10onmDnnkq2NS5s5BCIJvO+cXIJja5V/G47YjbQEVtAfzH1Gp5Dp3ewzl7+2tpM rOBPuxtoV2fm7vBLYMj96yzscXZpHuM= X-Stat-Signature: uty8bpkpw8psm1q6fd7rzddxgbqnzmah X-Rspam-User: X-Rspamd-Queue-Id: 93D0510005A X-Rspamd-Server: rspam07 Authentication-Results: imf14.hostedemail.com; dkim=pass header.d=google.com header.s=20210112 header.b=sklHbZak; dmarc=pass (policy=reject) header.from=google.com; spf=pass (imf14.hostedemail.com: domain of shakeelb@google.com designates 209.85.210.178 as permitted sender) smtp.mailfrom=shakeelb@google.com X-HE-Tag: 1654890943-468516 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 Mon, Jun 6, 2022 at 3:21 PM Yosry Ahmed wrote: > > Add NR_SECONDARY_PAGETABLE stat to count secondary page table uses, e.g. > KVM mmu. This provides more insights on the kernel memory used > by a workload. > > This stat will be used by subsequent patches to count KVM mmu > memory usage. > > Signed-off-by: Yosry Ahmed Acked-by: Shakeel Butt