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[2620:137:e000::1:20]) by mx.google.com with ESMTP id b13-20020a056402084d00b0042aaac7bbabsi179428edz.261.2022.06.10.13.02.56; Fri, 10 Jun 2022 13:04:22 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20; Authentication-Results: mx.google.com; dkim=pass header.i=@google.com header.s=20210112 header.b=sklHbZak; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=REJECT sp=REJECT dis=NONE) header.from=google.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1349925AbiFJTzs (ORCPT + 99 others); Fri, 10 Jun 2022 15:55:48 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:41540 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1349009AbiFJTzo (ORCPT ); Fri, 10 Jun 2022 15:55:44 -0400 Received: from mail-pf1-x433.google.com (mail-pf1-x433.google.com [IPv6:2607:f8b0:4864:20::433]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 0F89111C00 for ; Fri, 10 Jun 2022 12:55:43 -0700 (PDT) Received: by mail-pf1-x433.google.com with SMTP id x138so306856pfc.12 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=2/P9m6gVZzkqTvYOWE+ZK943P12RXavyS9C8O2r7XPMvpGyGhLNvqHEcz8yNPD4PIE nUo2yCDEgzWtmNVIhtnG2JKUH2Va+0AFgidw0MZimrkSqpLWUNOmJbf1bd+6/YSFtJQF JRvUgk39rcFbKNd4WpFqwzeNQrKQClxQ2exEkiPNB+WAtJfV8xqwPCnKyDUpKIdE82bj cNJeLVB+QuITPMQhTC4olpqgKxW4wU4YpfssTZGrl9um0gkrk51G89tE3uVQQ4je5Fzv FSEvgXHyMuBlcUyxjooVtqiFRaoX/xFVvcFEhx6DIZDp8xL2V+sVckokUz3WwRiff7g0 Gq+Q== X-Gm-Message-State: AOAM532UDhFU9GoMJNFKKD0LTePAScg/suNDXZZiTC8PYYTapwAnqr7M UBwmDMvHUx25lxFHzZDDqvh/g1I0hp7h6nT7IzD4qw== 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" X-Spam-Status: No, score=-17.6 required=5.0 tests=BAYES_00,DKIMWL_WL_MED, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF, ENV_AND_HDR_SPF_MATCH,RCVD_IN_DNSWL_NONE,SPF_HELO_NONE,SPF_PASS, T_SCC_BODY_TEXT_LINE,USER_IN_DEF_DKIM_WL,USER_IN_DEF_SPF_WL autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org 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