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[23.128.96.18]) by mx.google.com with ESMTP id g1si168132ejz.557.2021.02.16.14.34.35; Tue, 16 Feb 2021 14:35:00 -0800 (PST) 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=@vt-edu.20150623.gappssmtp.com header.s=20150623 header.b=CAR3CWMP; 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=fail (p=NONE sp=NONE dis=NONE) header.from=vt.edu Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231186AbhBPWeC (ORCPT + 99 others); Tue, 16 Feb 2021 17:34:02 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:42504 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230383AbhBPWd5 (ORCPT ); Tue, 16 Feb 2021 17:33:57 -0500 Received: from mail-qt1-x835.google.com (mail-qt1-x835.google.com [IPv6:2607:f8b0:4864:20::835]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 08B6DC061574 for ; Tue, 16 Feb 2021 14:33:17 -0800 (PST) Received: by mail-qt1-x835.google.com with SMTP id v3so8262977qtw.4 for ; Tue, 16 Feb 2021 14:33:16 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=vt-edu.20150623.gappssmtp.com; s=20150623; h=sender:from:to:cc:subject:in-reply-to:references:mime-version :content-transfer-encoding:date:message-id; bh=28kX1GxLg7lo1cpThqCrBTFpdtZ1SsRkJeYqDWMqVBk=; b=CAR3CWMPgdJpoBJljX9lQ5GTu0G3jbZhE01hUDySwZ6aS8QgQCkNsnwXYf+AkH/MkE bg+ayxCRFSMZzWz+f+KOG4+KXyTSMmj7Vpgpvrk4fKrs2fLFyQddOrUhE7v5NW8zX4Rb LRmQmNbYl+ZOgHcqFsHoIo0oPLQ7/Cod8PUfpbNsDFVAYh0dvbJ+NTqhG8ws2IhItLuj /AI+weXUcFhVnK+Jrkt6hQM6loWLkKsSe+Dawl5+Gl1m/7d+Ht9ZY/Tj6cKhUn+n81g5 +E2U5Z1YW5HG5SsoJLzmGlMNditSBGExEbhqGk6uGmurCr2sOcWIhl/NS5QiP1hbnNkO S7qw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:sender:from:to:cc:subject:in-reply-to:references :mime-version:content-transfer-encoding:date:message-id; bh=28kX1GxLg7lo1cpThqCrBTFpdtZ1SsRkJeYqDWMqVBk=; b=jrkC/txsCaTrXYeRHaAuJ8Gx8ipoUHF7bPCDBL4Yz1UFi3Ds+0BLS8oQfhnnTklA3O Ild5WPLaVYIKBB2f2EWSuiHxCPvEXdhusQ+NSs0HpgBjXOEpxv2l2WFumY9ER0AEgIuL k6hJez7ZSgFrvVZ16RvLGIjfOMx8z6TtGTqnwrjBY/rE24xzNXP3t8pruRRy2fdrLzpc aWEmvVDI7GvZRKbuoabr0N2uPwAaubM7K3inKbidZNyTKl+cumX2/43kVSMLnZkGYkeV jqc/WakkjxYYK/m6qKqc91oNedCFwO8v4Bd41QbGkaKs8rMQ0B4QrO6rcnBGDNGIOdlk At0w== X-Gm-Message-State: AOAM531Ub7E1U+oD21IOiufaihdpASkYbmgVsVwjtYYwGMaJWelHj8G5 dN7Y99l0WW99wYrAQj7/Q3IWNA== X-Received: by 2002:ac8:149a:: with SMTP id l26mr20519528qtj.210.1613514796152; Tue, 16 Feb 2021 14:33:16 -0800 (PST) Received: from turing-police ([2601:5c0:c380:d61::359]) by smtp.gmail.com with ESMTPSA id i6sm14169675qti.30.2021.02.16.14.33.14 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 16 Feb 2021 14:33:15 -0800 (PST) Sender: Valdis Kletnieks From: "Valdis Kl=?utf-8?Q?=c4=93?=tnieks" X-Google-Original-From: "Valdis Kl=?utf-8?Q?=c4=93?=tnieks" X-Mailer: exmh version 2.9.0 11/07/2018 with nmh-1.7+dev To: "Jason A. Donenfeld" Cc: Tibor Bana , Mel Gorman , Jan Kara , Pavel Machek , kernel list , Andrew Morton , vbabka@suse.cz, aarcange@redhat.com, rientjes@google.com, mhocko@kernel.org, zi.yan@cs.rutgers.edu, hannes@cmpxchg.org Subject: Re: [regression -next0117] What is kcompactd and why is he eating 100% of my cpu? In-Reply-To: References: <20190126200005.GB27513@amd> <12171.1548557813@turing-police.cc.vt.edu> <20190127141556.GB9565@techsingularity.net> <20190127160027.GA9340@amd> <13417.1548624994@turing-police.cc.vt.edu> <20190128091627.GA27972@quack2.suse.cz> <14875.1548810399@turing-police.cc.vt.edu> <9618.1548822577@turing-police.cc.vt.edu> <20190130104020.GE9565@techsingularity.net> <20210125195438.c8d0e7980da0c2931d4f3056@gmail.com> Mime-Version: 1.0 Content-Type: multipart/signed; boundary="==_Exmh_1613514794_34945P"; micalg=pgp-sha1; protocol="application/pgp-signature" Content-Transfer-Encoding: 7bit Date: Tue, 16 Feb 2021 17:33:14 -0500 Message-ID: <35445.1613514794@turing-police> Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org --==_Exmh_1613514794_34945P Content-Type: text/plain; charset=us-ascii On Tue, 16 Feb 2021 13:36:22 +0100, "Jason A. Donenfeld" said: > Another anecdote: 5.11.0, 64 gigs of ram. If I run QEMU/KVM for a VM > with 16 gigs at the same time as a VMware VM with 16 gigs of ram, > kcompact goes wild and both VMs get really slow. The key here is running > KVM at the same time as VMware. Do things operated as expected if there are 2 KVM instances, or 2 VMware instances? --==_Exmh_1613514794_34945P Content-Type: application/pgp-signature -----BEGIN PGP SIGNATURE----- Comment: Exmh version 2.9.0 11/07/2018 iQIVAwUBYCxIKQdmEQWDXROgAQK8uhAArgjA/4ordtEUP/P2ZzA+Qp428BusiOPI EjX+g7Ljis8bOFD9zNxvXPU7VekrZ5svPUYUMoKaPKRnbxQi42UPIDZiBt5aI11B yVNyfLZy/LkfV6fcXXZtg3yuldfTIM9ofGiA9WbPgQaneDNdAi79MrEohFmFCt4a ov3NXcXbqOQ89O38veGI2vL7+S3xdmBKELlVcxxstWxJrTd0L2yy5QeZ6p2UvYtk jypVywPv6ST+G9da5cVh6FSm5z0FvKNsmvy4pLLxobmEEdrLthKYKTZOfwdni6u0 Oa72lgXGUgLnQ6oZaSpaQn36CvAC1SxpTs94/X5c3lodfiUuxdOzx3qP9/ct0Ty+ vtoz84m5BUeQI48giJZXGmn5GZYfO/lfvA1vMXCkYcA/bzXjtMxq76SmjI5OPrK8 C4vkxYq439hxbnfxhxYMPqCXB4sR43yxoxpWoOv3p5TPB9oHfP4wmXjmVjZAEsx2 8MjDv3n0TwPg3gqFvUohE1AfFwkjtTwc1H5yc2FzxJ+n+sDlT+X43E257EGUNNgs KvE2nHxacpWPNCwKAHzgDDcw/Ub3nyth2z91jvU06M/MNiI5hy9ILsZz0TOTqqiX +OAfbiXqa2uXfDGzUOv33uLky4Sh3/TeVHA1bU5Ef7w/8Znc/XU5c0STN2dqcGeg Qy6d49RMi28= =vcZt -----END PGP SIGNATURE----- --==_Exmh_1613514794_34945P--