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 EAFA5C27C5E for ; Mon, 10 Jun 2024 04:29:21 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id 5BA876B0093; Mon, 10 Jun 2024 00:29:21 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id 566EC6B0095; Mon, 10 Jun 2024 00:29:21 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 3E06A6B0096; Mon, 10 Jun 2024 00:29:21 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from relay.hostedemail.com (smtprelay0016.hostedemail.com [216.40.44.16]) by kanga.kvack.org (Postfix) with ESMTP id 201AE6B0093 for ; Mon, 10 Jun 2024 00:29:21 -0400 (EDT) Received: from smtpin11.hostedemail.com (a10.router.float.18 [10.200.18.1]) by unirelay01.hostedemail.com (Postfix) with ESMTP id 548971C1872 for ; Mon, 10 Jun 2024 04:29:20 +0000 (UTC) X-FDA: 82213699680.11.C8B9953 Received: from smtp-out2.suse.de (smtp-out2.suse.de [195.135.223.131]) by imf29.hostedemail.com (Postfix) with ESMTP id 06520120011 for ; Mon, 10 Jun 2024 04:29:17 +0000 (UTC) Authentication-Results: imf29.hostedemail.com; dkim=pass header.d=suse.de header.s=susede2_rsa header.b=ouS1aMbV; dkim=pass header.d=suse.de header.s=susede2_ed25519 header.b=xMKg0LFz; dkim=pass header.d=suse.de header.s=susede2_rsa header.b=ouS1aMbV; dkim=pass header.d=suse.de header.s=susede2_ed25519 header.b=xMKg0LFz; spf=pass (imf29.hostedemail.com: domain of osalvador@suse.de designates 195.135.223.131 as permitted sender) smtp.mailfrom=osalvador@suse.de; dmarc=pass (policy=none) header.from=suse.de ARC-Seal: i=1; s=arc-20220608; d=hostedemail.com; t=1717993758; a=rsa-sha256; cv=none; b=OLkrFHXlWJfMt7Ad1DwW+M53GfoR3PxVXoy+Ww4UeEHAKbkTAbFBCMI8G6DJN6BbnJ1NpU 6BzKLup9xKI9FF98Uh72i8qqvbuoAh6n4zYlQft8DSi3gXs5P9x+WGOsun0Wz3TJWNV9hL Araeu6xRMm0A7XlojY2KOyCSTUG8Uww= ARC-Authentication-Results: i=1; imf29.hostedemail.com; dkim=pass header.d=suse.de header.s=susede2_rsa header.b=ouS1aMbV; dkim=pass header.d=suse.de header.s=susede2_ed25519 header.b=xMKg0LFz; dkim=pass header.d=suse.de header.s=susede2_rsa header.b=ouS1aMbV; dkim=pass header.d=suse.de header.s=susede2_ed25519 header.b=xMKg0LFz; spf=pass (imf29.hostedemail.com: domain of osalvador@suse.de designates 195.135.223.131 as permitted sender) smtp.mailfrom=osalvador@suse.de; dmarc=pass (policy=none) header.from=suse.de ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=hostedemail.com; s=arc-20220608; t=1717993758; 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=dZ0M1mMkyIQjD9GHv7ILLIsJEt6S/v29bdhzDaDdHV0=; b=wEP7YkpZbKXz30nem0amLzx7SSxvmdEhnqdynzo0gftXuzH6kMrRLimJwJPD2cNUnIyIlH lYAvov2OFuj0C9Xx9/jGhg0W0b9oy4bkLwwiKJA8ZXgUXe3ksUlLrdpOGSUArJR9vFYpRy PkT6n/3ZXpxLUSLR1PGB8eynbeWh1y8= Received: from imap1.dmz-prg2.suse.org (unknown [10.150.64.97]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (No client certificate requested) by smtp-out2.suse.de (Postfix) with ESMTPS id 6FD4C1F76E; Mon, 10 Jun 2024 04:29:16 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=suse.de; s=susede2_rsa; t=1717993756; h=from:from:reply-to:date:date:message-id:message-id:to:to:cc:cc: mime-version:mime-version:content-type:content-type: in-reply-to:in-reply-to:references:references; bh=dZ0M1mMkyIQjD9GHv7ILLIsJEt6S/v29bdhzDaDdHV0=; b=ouS1aMbVEZAQVmHrDj9M+xsCMzi5lTc6/jUPSYA+SppS+h5NEBGkqZ/xLzWibfr8WOv/o9 cc8rOjHzymZljwOTKMr5dRcYBGcH8jm6EnAkfFpJkmjP6ECb0c8FE+m96t+996chAS7XNW bCBh8iHhcqz1FH8y+Mtdlf61/swOKLc= DKIM-Signature: v=1; a=ed25519-sha256; c=relaxed/relaxed; d=suse.de; s=susede2_ed25519; t=1717993756; h=from:from:reply-to:date:date:message-id:message-id:to:to:cc:cc: mime-version:mime-version:content-type:content-type: in-reply-to:in-reply-to:references:references; bh=dZ0M1mMkyIQjD9GHv7ILLIsJEt6S/v29bdhzDaDdHV0=; b=xMKg0LFzrRdT0JzUutNU0hVH0KB4afQ7p5Tw5Clmij6qnvVx6ObtCh65qQCvh1PUPif7Vq EyZx8fBScE2Fr4AQ== DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=suse.de; s=susede2_rsa; t=1717993756; h=from:from:reply-to:date:date:message-id:message-id:to:to:cc:cc: mime-version:mime-version:content-type:content-type: in-reply-to:in-reply-to:references:references; bh=dZ0M1mMkyIQjD9GHv7ILLIsJEt6S/v29bdhzDaDdHV0=; b=ouS1aMbVEZAQVmHrDj9M+xsCMzi5lTc6/jUPSYA+SppS+h5NEBGkqZ/xLzWibfr8WOv/o9 cc8rOjHzymZljwOTKMr5dRcYBGcH8jm6EnAkfFpJkmjP6ECb0c8FE+m96t+996chAS7XNW bCBh8iHhcqz1FH8y+Mtdlf61/swOKLc= DKIM-Signature: v=1; a=ed25519-sha256; c=relaxed/relaxed; d=suse.de; s=susede2_ed25519; t=1717993756; h=from:from:reply-to:date:date:message-id:message-id:to:to:cc:cc: mime-version:mime-version:content-type:content-type: in-reply-to:in-reply-to:references:references; bh=dZ0M1mMkyIQjD9GHv7ILLIsJEt6S/v29bdhzDaDdHV0=; b=xMKg0LFzrRdT0JzUutNU0hVH0KB4afQ7p5Tw5Clmij6qnvVx6ObtCh65qQCvh1PUPif7Vq EyZx8fBScE2Fr4AQ== Received: from imap1.dmz-prg2.suse.org (localhost [127.0.0.1]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (No client certificate requested) by imap1.dmz-prg2.suse.org (Postfix) with ESMTPS id 4E42513A7F; Mon, 10 Jun 2024 04:29:15 +0000 (UTC) Received: from dovecot-director2.suse.de ([2a07:de40:b281:106:10:150:64:167]) by imap1.dmz-prg2.suse.org with ESMTPSA id IEF7EBuBZmYbGAAAD6G6ig (envelope-from ); Mon, 10 Jun 2024 04:29:15 +0000 Date: Mon, 10 Jun 2024 06:29:13 +0200 From: Oscar Salvador To: David Hildenbrand Cc: linux-kernel@vger.kernel.org, linux-mm@kvack.org, linux-hyperv@vger.kernel.org, virtualization@lists.linux.dev, xen-devel@lists.xenproject.org, kasan-dev@googlegroups.com, Andrew Morton , Mike Rapoport , "K. Y. Srinivasan" , Haiyang Zhang , Wei Liu , Dexuan Cui , "Michael S. Tsirkin" , Jason Wang , Xuan Zhuo , Eugenio =?iso-8859-1?Q?P=E9rez?= , Juergen Gross , Stefano Stabellini , Oleksandr Tyshchenko , Alexander Potapenko , Marco Elver , Dmitry Vyukov Subject: Re: [PATCH v1 3/3] mm/memory_hotplug: skip adjust_managed_page_count() for PageOffline() pages when offlining Message-ID: References: <20240607090939.89524-1-david@redhat.com> <20240607090939.89524-4-david@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20240607090939.89524-4-david@redhat.com> X-Rspamd-Queue-Id: 06520120011 X-Rspam-User: X-Rspamd-Server: rspam12 X-Stat-Signature: 7m5ggnc99a9dowa786ya8mcccwmkqjem X-HE-Tag: 1717993757-211541 X-HE-Meta: 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 GB0Smq05 ofvRzeiJmm4mr1EAK7eM0dTlaxohLnjg0fxMY8fwe9yBfF+BuTCyGCyM2IgXwR23Iefb0Lvp6P+MDLejYmfyAGuiYX31CYeI0tYFF+F5hkQuMuiQHJpEF83IgfrNNs8wuBxKEkuPE6z/YEd0uL/VkiSytPLzzRncliUKQqZJtwwr1hOv++BxOR7v7HQTZLxEpUMNUM/T39aLn2RLCPsXRE9MVaTAA0/Jnc5SeeDOQ1IlfjNsbBbOOrLF+GHgquQmIk02D09mxSW9WyGpizkToFLQ/Bw== 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: List-Subscribe: List-Unsubscribe: On Fri, Jun 07, 2024 at 11:09:38AM +0200, David Hildenbrand wrote: > We currently have a hack for virtio-mem in place to handle memory > offlining with PageOffline pages for which we already adjusted the > managed page count. > > Let's enlighten memory offlining code so we can get rid of that hack, > and document the situation. > > Signed-off-by: David Hildenbrand Acked-by: Oscar Salvador -- Oscar Salvador SUSE Labs