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 16209C433EF for ; Thu, 7 Jul 2022 21:11:32 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id 9293A6B0073; Thu, 7 Jul 2022 17:11:32 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id 8D9776B0074; Thu, 7 Jul 2022 17:11:32 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 7A06C6B0075; Thu, 7 Jul 2022 17:11:32 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from relay.hostedemail.com (smtprelay0013.hostedemail.com [216.40.44.13]) by kanga.kvack.org (Postfix) with ESMTP id 6A5526B0073 for ; Thu, 7 Jul 2022 17:11:32 -0400 (EDT) Received: from smtpin30.hostedemail.com (a10.router.float.18 [10.200.18.1]) by unirelay07.hostedemail.com (Postfix) with ESMTP id 3F10820874 for ; Thu, 7 Jul 2022 21:11:32 +0000 (UTC) X-FDA: 79661550024.30.4D1C338 Received: from mail-pg1-f173.google.com (mail-pg1-f173.google.com [209.85.215.173]) by imf23.hostedemail.com (Postfix) with ESMTP id E1EC8140005 for ; Thu, 7 Jul 2022 21:11:31 +0000 (UTC) Received: by mail-pg1-f173.google.com with SMTP id r22so13804593pgr.2 for ; Thu, 07 Jul 2022 14:11:31 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20210112; h=date:from:to:cc:subject:message-id:references:mime-version :content-disposition:in-reply-to; bh=ZTnfo6xRgRnDJAawujjn6RVFJwv9JbaWoUFvSQYT7gc=; b=b6mVfEU3B1Kz+nxNI3jjT4RpusLpAVsVtGCThcqz2WxsNk8Y3tI17P9xznRGksBAb+ 8GtcLKGD6SqLecoii/sJRZBzYe/oHHfCmBQ6KyjOUKEs9JbhsSO8LlGC7Gg3qZOKpu6t R+U7jZ4wKm/B+FwKq2Z/bXAYtTf5NK7zJgDRNJHgaUVfPSOGNvaRqHsaiOSfkPwSd99I 8OUzNcHpzBwaMfSLWuFKpCaWhXyShGNvFjcSuQGRbO512wy3OM/j+/9PUvBMJJDZlQt4 pVg+ex6bvlhCnCQYp6vGAzpwe0MyOM/LaQwAKdRF13SuWllj3O+oHHym/YUmAyOh3Fqs 358g== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:date:from:to:cc:subject:message-id:references :mime-version:content-disposition:in-reply-to; bh=ZTnfo6xRgRnDJAawujjn6RVFJwv9JbaWoUFvSQYT7gc=; b=1w8OxddUL7Va/qgOIZMRXsZ2/iFxVplZRVCenvBHuoNC7p2aVlXfjR+c/xWKmkx4Vz LJo9EZieOZWeKqvKELN38KHLmGpDBl7wDIIcU2YTwG+9hdNRz8xQyY9u18RUh63z7lIQ xUQws6LDuxtGfLvkk4OgI3QijcXLZKsaGFcC9pigLao2SNfgxUVXZhxAUT2xLeqn1euY db1kPFvMj5sNcbqXekasD6J2xpnQxAIfhodLrWYJsPyO22JUkwXJR5bntA+RKmHa2bPe zavmJ2c7qLhK1OFaMR5mNX3f1jlwjvb7inkdmm4pwBrh5RuZ3BLokgkLblI/zNyNNu3z ngGQ== X-Gm-Message-State: AJIora++cCTCMJUGfpRiA2nSdvEZEEOFkboXudGFrqzUq5RHVVouzEpv G+Eg6DBDoLSUFNs/SkZdsO6j5g== X-Google-Smtp-Source: AGRyM1so1CUFpRb/W+9u8G0bNWrE/aR8hrt1uZojq1495gVto4hEMFt63EXSJhIZ1QbYWGtmOiiswQ== X-Received: by 2002:aa7:9215:0:b0:528:56ba:ccec with SMTP id 21-20020aa79215000000b0052856baccecmr179112pfo.24.1657228290881; Thu, 07 Jul 2022 14:11:30 -0700 (PDT) Received: from google.com (123.65.230.35.bc.googleusercontent.com. [35.230.65.123]) by smtp.gmail.com with ESMTPSA id k23-20020a628417000000b005289fad1bbesm3853638pfd.94.2022.07.07.14.11.30 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 07 Jul 2022 14:11:30 -0700 (PDT) Date: Thu, 7 Jul 2022 21:11:26 +0000 From: Sean Christopherson To: Yosry Ahmed Cc: Tejun Heo , Johannes Weiner , Zefan Li , Marc Zyngier , James Morse , Alexandru Elisei , Suzuki K Poulose , Paolo Bonzini , Vitaly Kuznetsov , Wanpeng Li , Jim Mattson , Joerg Roedel , Andrew Morton , Michal Hocko , Roman Gushchin , Shakeel Butt , Oliver Upton , Huang@google.com, Shaoqin , cgroups@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, kvmarm@lists.cs.columbia.edu, kvm@vger.kernel.org, linux-mm@kvack.org Subject: Re: [PATCH v6 3/4] KVM: x86/mmu: count KVM mmu usage in secondary pagetable stats. Message-ID: References: <20220628220938.3657876-1-yosryahmed@google.com> <20220628220938.3657876-4-yosryahmed@google.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20220628220938.3657876-4-yosryahmed@google.com> ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=hostedemail.com; s=arc-20220608; t=1657228292; 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=ZTnfo6xRgRnDJAawujjn6RVFJwv9JbaWoUFvSQYT7gc=; b=gi5kGgm/FiVNDHhi0LKNip4WE+0LvEKwwQPST+9Z/MTwwNwH63vlMEEEAPjP7JpFONZNsm WhIXL9GvuUHCUNS0Vh1v8lF6v+F9CNhtnGCogheTwq35XlQ2QkyZ9bhnxjCNoDrMfecLaa vDg/8NctfcBXTyENMhg30C/XThsqk+c= ARC-Seal: i=1; s=arc-20220608; d=hostedemail.com; t=1657228292; a=rsa-sha256; cv=none; b=45c/LxUZn83mkJrgJEMYtXuD640qGflq7l3mcKVx8jODa1LSPbp59jfX/xkQepBHAtMb+Y 6/PcBNJnIn0tg7w82AyMXT51K+jtBC/iXc/uRCbCSCIEL/69SFGHTZwLci+/BIu7jmCcXs oTY8khB/3nabVAp8kStlSJWOYx+tJM0= ARC-Authentication-Results: i=1; imf23.hostedemail.com; dkim=pass header.d=google.com header.s=20210112 header.b=b6mVfEU3; spf=pass (imf23.hostedemail.com: domain of seanjc@google.com designates 209.85.215.173 as permitted sender) smtp.mailfrom=seanjc@google.com; dmarc=pass (policy=reject) header.from=google.com X-Rspamd-Queue-Id: E1EC8140005 Authentication-Results: imf23.hostedemail.com; dkim=pass header.d=google.com header.s=20210112 header.b=b6mVfEU3; spf=pass (imf23.hostedemail.com: domain of seanjc@google.com designates 209.85.215.173 as permitted sender) smtp.mailfrom=seanjc@google.com; dmarc=pass (policy=reject) header.from=google.com X-Rspam-User: X-Rspamd-Server: rspam06 X-Stat-Signature: rangoxxd4y7ztumsjtr7yz8ys37rehs3 X-HE-Tag: 1657228291-565884 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, Jun 28, 2022, Yosry Ahmed wrote: > Count the pages used by KVM mmu on x86 in memory stats under secondary > pagetable stats (e.g. "SecPageTables" in /proc/meminfo) to give better > visibility into the memory consumption of KVM mmu in a similar way to > how normal user page tables are accounted. > > Signed-off-by: Yosry Ahmed > --- Reviewed-by: Sean Christopherson