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]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 08F22C982FE for ; Tue, 22 Sep 2026 04:26:04 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id D211B6B00A5; Tue, 22 Sep 2026 00:26:02 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id CF8C26B00A6; Tue, 22 Sep 2026 00:26:02 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id BE8156B00AA; Tue, 22 Sep 2026 00:26:02 -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 9CDCD6B00A5 for ; Tue, 22 Sep 2026 00:26:02 -0400 (EDT) Received: from smtpin03.hostedemail.com (lb01a-stub [10.200.18.249]) by unirelay06.hostedemail.com (Postfix) with ESMTP id 28E58A60EC for ; Tue, 22 Sep 2026 04:26:02 +0000 (UTC) X-FDA: 85240110564.03.A8547EC Received: from tor.source.kernel.org (tor.source.kernel.org [172.105.4.254]) by imf13.hostedemail.com (Postfix) with ESMTP id 9CAB720005 for ; Tue, 22 Sep 2026 04:26:00 +0000 (UTC) Authentication-Results: imf13.hostedemail.com; dkim=pass header.d=kernel.org header.s=k20260515 header.b=ER3J5r3V; spf=pass (imf13.hostedemail.com: domain of osalvador@kernel.org designates 172.105.4.254 as permitted sender) smtp.mailfrom=osalvador@kernel.org; dmarc=pass (policy=quarantine) header.from=kernel.org ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=hostedemail.com; s=arc-20220608; t=1790051160; 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=D28fmX0v2APqwSVoGcnG1C5Rh5Hd9l3BseXRfD4IHME=; b=W4iJxqFtKi4+KxzBIDdK+Z/m84z6YNRamW52zzaKPmlFRQSLhfd81qtcRYOMtqF+Vx9bV7 J06M0Bo7irBDrKSGaLGZiuBUfZy7JmgjTI+zqvjj71sTCL18JB9vWNFxhIqiiSmgpJt57c gEddFqB68d0C10Rzs100WOgFobQZpVE= ARC-Authentication-Results: i=1; imf13.hostedemail.com; dkim=pass header.d=kernel.org header.s=k20260515 header.b=ER3J5r3V; spf=pass (imf13.hostedemail.com: domain of osalvador@kernel.org designates 172.105.4.254 as permitted sender) smtp.mailfrom=osalvador@kernel.org; dmarc=pass (policy=quarantine) header.from=kernel.org ARC-Seal: i=1; a=rsa-sha256; d=hostedemail.com; s=arc-20220608; cv=none; t=1790051160; b=3MwB/hVKZUy3/6mcSkv4P4s0zjToxtDLfzMFD7HzQTetw+8FKaCbbZ+96oy+l2gi4krxvu rKPYMWM8EquAaP0pK6cPDEwxM7O27nPfuTi7hxYVqiFV3FsGiXd+ZKxGtpDG0LgBWpF/eA S+6gd0zGD5flTcDnnMQ2NeSqIQlIbO8= Received: from smtp.kernel.org (quasi.space.kernel.org [100.103.45.18]) by tor.source.kernel.org (Postfix) with ESMTP id 1B140600CB; Tue, 22 Sep 2026 04:26:00 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 14A901F00898; Tue, 22 Sep 2026 04:25:52 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1790051159; bh=D28fmX0v2APqwSVoGcnG1C5Rh5Hd9l3BseXRfD4IHME=; h=Date:From:To:Cc:Subject:References:In-Reply-To; b=ER3J5r3VzZNuMuHQZZdT2tmD/sauynFhocssTfXIyQ+aeQ6bHpu8UA/btjPDGg3MH NfePtUdGHG+QdKUDw/Hf0NGR7IZE7GwghF/aWpWREdZXIu24P6AHSeBPDeGCLdrDIx Wo2hVOEZoDUAtcCdLZA3wprGabCwotwqb5oR8Sxge67tTTQNIQJfd0/VaVOMDx61j7 +cDtnjNI9J99y88D82hGsEYUaZkrWCSbySiRs5MQTyfbTWfoiTKsRuMG4xw3dJF/61 wFzzJtYuXoUWfMMZjp6HroZWXyPWrA8cZ9PVa08HOFKF79taCFtsp8GJ7ykAzcwjQk z8EZnhQvf7G5A== Date: Tue, 22 Sep 2026 06:25:50 +0200 From: "Oscar Salvador (SUSE)" To: "David Hildenbrand (Arm)" Cc: Andrew Morton , Lorenzo Stoakes , "Liam R. Howlett" , Vlastimil Babka , Mike Rapoport , Suren Baghdasaryan , Michal Hocko , Kairui Song , Qi Zheng , Shakeel Butt , Barry Song , Axel Rasmussen , Yuanchu Xie , Wei Xu , Baoquan He , Baolin Wang , Brendan Jackman , Johannes Weiner , Zi Yan , Jan Kiszka , Kieran Bingham , Oscar Salvador , Greg Kroah-Hartman , "Rafael J. Wysocki" , Danilo Krummrich , linux-kernel@vger.kernel.org, linux-mm@kvack.org, linux-cxl@vger.kernel.org, driver-core@lists.linux.dev, linux-fsdevel@vger.kernel.org Subject: Re: [PATCH v2 13/13] mm/memory_hotplug: drop CONFIG_HAVE_ARCH_PFN_VALID handling from pfn_to_online_page() Message-ID: References: <20260921-b4-sparsemem_cleanups-v2-0-54d81d65e125@kernel.org> <20260921-b4-sparsemem_cleanups-v2-13-54d81d65e125@kernel.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20260921-b4-sparsemem_cleanups-v2-13-54d81d65e125@kernel.org> X-Rspam-User: X-Stat-Signature: 1nc8e58kbs7czodmdz3u6ko5w6gasgad X-Rspamd-Queue-Id: 9CAB720005 X-Rspamd-Server: rspam07 X-HE-Tag: 1790051160-78819 X-HE-Meta: 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 W6oioVrH EYDURTTWt6M18kncGwu+4Z3HrT2SLPdG1E6gmRaAXpP/fSDZkpZb0rbJ9gED2FNIQfYoH3V35/DQHfChP/nBhuk/vA3axmfB4HpspHFcnpSKBnhG50RAqxgLvqsKpHI1Ob2zlKcSBfF/wwi5ME9nBMAyxCXocDWmXIcj2hKPMsrFXMA5Yke8Li3ftV+09QpUUY14n63D7cQ3Ldj2Can+8g18loJGCJ5+zTV/6Xl/9ZnTPOuUCncm6O/SSuQnF0wY31IUQhCxyRbLcLkIksmSSMSYWyAkabqi7xYIM Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: On Mon, Sep 21, 2026 at 09:59:05PM +0200, David Hildenbrand (Arm) wrote: > Drop CONFIG_HAVE_ARCH_PFN_VALID handling, as CONFIG_HAVE_ARCH_PFN_VALID > is never used with CONFIG_MEMORY_HOTPLUG, as the latter depends on > CONFIG_SPARSEMEM_VMEMMAP. Make sure it stays that way. > > Reviewed-by: Lorenzo Stoakes (ARM) > Reviewed-by: Mike Rapoport (Microsoft) > Signed-off-by: David Hildenbrand (Arm) Acked-by: Oscar Salvador -- Oscar Salvador SUSE Labs