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 lists.xenproject.org (lists.xenproject.org [192.237.175.120]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id B121AC433EF for ; Thu, 31 Mar 2022 12:36:39 +0000 (UTC) Received: from list by lists.xenproject.org with outflank-mailman.296933.505621 (Exim 4.92) (envelope-from ) id 1nZu2J-0005bK-A3; Thu, 31 Mar 2022 12:36:23 +0000 X-Outflank-Mailman: Message body and most headers restored to incoming version Received: by outflank-mailman (output) from mailman id 296933.505621; Thu, 31 Mar 2022 12:36:23 +0000 Received: from localhost ([127.0.0.1] helo=lists.xenproject.org) by lists.xenproject.org with esmtp (Exim 4.92) (envelope-from ) id 1nZu2J-0005bD-6s; Thu, 31 Mar 2022 12:36:23 +0000 Received: by outflank-mailman (input) for mailman id 296933; Thu, 31 Mar 2022 12:36:21 +0000 Received: from se1-gles-sth1-in.inumbo.com ([159.253.27.254] helo=se1-gles-sth1.inumbo.com) by lists.xenproject.org with esmtp (Exim 4.92) (envelope-from ) id 1nZu2H-0005b7-Mv for xen-devel@lists.xenproject.org; Thu, 31 Mar 2022 12:36:21 +0000 Received: from out1-smtp.messagingengine.com (out1-smtp.messagingengine.com [66.111.4.25]) by se1-gles-sth1.inumbo.com (Halon) with ESMTPS id 2a90a039-b0ef-11ec-a405-831a346695d4; Thu, 31 Mar 2022 14:36:20 +0200 (CEST) Received: from compute1.internal (compute1.nyi.internal [10.202.2.41]) by mailout.nyi.internal (Postfix) with ESMTP id A13D75C01A7; Thu, 31 Mar 2022 08:36:19 -0400 (EDT) Received: from mailfrontend2 ([10.202.2.163]) by compute1.internal (MEProxy); Thu, 31 Mar 2022 08:36:19 -0400 Received: by mail.messagingengine.com (Postfix) with ESMTPA; Thu, 31 Mar 2022 08:36:18 -0400 (EDT) X-BeenThere: xen-devel@lists.xenproject.org List-Id: Xen developer discussion List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Errors-To: xen-devel-bounces@lists.xenproject.org Precedence: list Sender: "Xen-devel" X-Inumbo-ID: 2a90a039-b0ef-11ec-a405-831a346695d4 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d= messagingengine.com; h=cc:cc:content-type:date:date:from:from :in-reply-to:in-reply-to:message-id:mime-version:references :reply-to:sender:subject:subject:to:to:x-me-proxy:x-me-proxy :x-me-sender:x-me-sender:x-sasl-enc; s=fm3; bh=lL3fG21Bf+IQhMNp2 gwZWgcIcXYyRS4yRWBGEJPLa7M=; b=CO7QIHIjfgqgrUQd42gh7vl6ZXEZkmySO uNUdtClcs+CQRxYCLGnNKR2Y1sKEI2A5DySTmaWRIDjUqqOfPXq6lclWML40+472 UvbBU31fgEuj2PR0s7HIgGaw2wT8Sw8AoUOo+w/SE75nb5IVMC/XOi6IMlG7GBXX qc3x3qOB3YmKyrgh7KZTKQ364kvuJGz0zwhVeTVgl14c7yCGgyp68S54T2KrW0tM j186SN39Vz8HuCqD5j50yqoPjQGpflmj7rT874HNYmroJnehplpnicDfJhpTwklJ b9OzMuDCbR8LA2csxP+nHQhkPRgCUX6wHdOJH9HtctKFQwApKv2cw== X-ME-Sender: X-ME-Received: X-ME-Proxy-Cause: gggruggvucftvghtrhhoucdtuddrgedvvddrudeigedgheefucetufdoteggodetrfdotf fvucfrrhhofhhilhgvmecuhfgrshhtofgrihhlpdfqfgfvpdfurfetoffkrfgpnffqhgen uceurghilhhouhhtmecufedttdenucesvcftvggtihhpihgvnhhtshculddquddttddmne cujfgurhepfffhvffukfhfgggtuggjsehgtderredttdejnecuhfhrohhmpeforghrvghk ucforghrtgiihihkohifshhkihdqifpkrhgvtghkihcuoehmrghrmhgrrhgvkhesihhnvh hishhisghlvghthhhinhhgshhlrggsrdgtohhmqeenucggtffrrghtthgvrhhnpeetveff iefghfekhffggeeffffhgeevieektedthfehveeiheeiiedtudegfeetffenucevlhhush htvghrufhiiigvpedtnecurfgrrhgrmhepmhgrihhlfhhrohhmpehmrghrmhgrrhgvkhes ihhnvhhishhisghlvghthhhinhhgshhlrggsrdgtohhm X-ME-Proxy: Date: Thu, 31 Mar 2022 14:36:15 +0200 From: Marek =?utf-8?Q?Marczykowski-G=C3=B3recki?= To: Juergen Gross Cc: xen-devel Subject: Re: Increasing domain memory beyond initial maxmem Message-ID: References: <2684376b-3ae6-a2b7-581f-2bd38ab6056b@suse.com> <362b6115-e296-e01e-520f-31a0826426eb@suse.com> MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha256; protocol="application/pgp-signature"; boundary="JyBv0FZkKPmuVRTm" Content-Disposition: inline In-Reply-To: <362b6115-e296-e01e-520f-31a0826426eb@suse.com> --JyBv0FZkKPmuVRTm Content-Type: text/plain; protected-headers=v1; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: quoted-printable Date: Thu, 31 Mar 2022 14:36:15 +0200 From: Marek =?utf-8?Q?Marczykowski-G=C3=B3recki?= To: Juergen Gross Cc: xen-devel Subject: Re: Increasing domain memory beyond initial maxmem On Thu, Mar 31, 2022 at 02:22:03PM +0200, Juergen Gross wrote: > Maybe some kernel config differences, or other udev rules (memory onlining > is done via udev in my guest)? >=20 > I'm seeing: >=20 > # zgrep MEMORY_HOTPLUG /proc/config.gz > CONFIG_ARCH_ENABLE_MEMORY_HOTPLUG=3Dy > CONFIG_MEMORY_HOTPLUG=3Dy > # CONFIG_MEMORY_HOTPLUG_DEFAULT_ONLINE is not set > CONFIG_XEN_BALLOON_MEMORY_HOTPLUG=3Dy > CONFIG_XEN_MEMORY_HOTPLUG_LIMIT=3D512 I have: # zgrep MEMORY_HOTPLUG /proc/config.gz=20 CONFIG_ARCH_ENABLE_MEMORY_HOTPLUG=3Dy CONFIG_MEMORY_HOTPLUG=3Dy CONFIG_MEMORY_HOTPLUG_DEFAULT_ONLINE=3Dy CONFIG_XEN_BALLOON_MEMORY_HOTPLUG=3Dy CONFIG_XEN_MEMORY_HOTPLUG_LIMIT=3D512 Not sure if relevant, but I also have: CONFIG_XEN_UNPOPULATED_ALLOC=3Dy on top of that, I have a similar udev rule too: SUBSYSTEM=3D=3D"memory", ACTION=3D=3D"add", ATTR{state}=3D=3D"offline", ATT= R{state}=3D"online" But I don't think they are conflicting. > What type of guest are you using? Mine was a PVH guest. PVH here too. --=20 Best Regards, Marek Marczykowski-G=C3=B3recki Invisible Things Lab --JyBv0FZkKPmuVRTm Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iQEzBAEBCAAdFiEEhrpukzGPukRmQqkK24/THMrX1ywFAmJFoEAACgkQ24/THMrX 1yycqQf7BK5jUyG4YSdhQTvYEB0asjxQfiMtQ5n5Rh5qRS3NZdIANwYlpFb0jRq9 +2ksM730Mr2sTfFVYDRemWR24rKXSS5RcRvQU0lqDzEQYy2PidwY093B4k5U1fQt rhwvDz6fOhSwcNP4Ysl53+6JtiaTVJ8RuZuUmpifDzF9L/o4wVA5vSIwdhVXdjL8 09VZ1/kU17C71Zj7YuMJK0iu9SacdmRNrNHVI5Kw1G/NX0nY51i5PsQMrV1ZFO8P FHLcRyg+wxg+7vbfpwY91P8cLQLqzxqxpfSFjNF59AWXddgb8zBM+b3ukY9o8+ef VXykPTgXaNitxSXJpNuAqNxZDJXTkA== =YezF -----END PGP SIGNATURE----- --JyBv0FZkKPmuVRTm--