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 3A0301091904 for ; Thu, 19 Mar 2026 18:10:24 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id 8C12A6B0553; Thu, 19 Mar 2026 14:10:23 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id 898A56B055B; Thu, 19 Mar 2026 14:10:23 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 7AE9B6B0560; Thu, 19 Mar 2026 14:10:23 -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 684536B0553 for ; Thu, 19 Mar 2026 14:10:23 -0400 (EDT) Received: from smtpin23.hostedemail.com (a10.router.float.18 [10.200.18.1]) by unirelay08.hostedemail.com (Postfix) with ESMTP id 0BF2A140725 for ; Thu, 19 Mar 2026 18:10:23 +0000 (UTC) X-FDA: 84563602326.23.DAB69C4 Received: from tor.source.kernel.org (tor.source.kernel.org [172.105.4.254]) by imf28.hostedemail.com (Postfix) with ESMTP id 72FF8C000F for ; Thu, 19 Mar 2026 18:10:21 +0000 (UTC) Authentication-Results: imf28.hostedemail.com; dkim=pass header.d=kernel.org header.s=k20201202 header.b=X0Euv4a8; dmarc=pass (policy=quarantine) header.from=kernel.org; spf=pass (imf28.hostedemail.com: domain of david@kernel.org designates 172.105.4.254 as permitted sender) smtp.mailfrom=david@kernel.org ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=hostedemail.com; s=arc-20220608; t=1773943821; 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:content-transfer-encoding: in-reply-to:in-reply-to:references:references:dkim-signature; bh=EnJPpD1HlmrCYa5F8eQoZ8HPYDU7ptWzeLwvguZaldU=; b=KS4EWwht+NXNqg/dfWkE5wlGkKOj2yh9vb2f1vgKTk7Aw1963UT8P92GGVwHm/Fbwmshqi qSDmmMiaM7S5kqJp6D1+Owz6s4ldFVVNY4j+1FR2xHdEO8rfvPyC4dZcuG2ChN8uqxPd0o vwQJVvGn/iKh//YgSxs02MZfAYenXU4= ARC-Authentication-Results: i=1; imf28.hostedemail.com; dkim=pass header.d=kernel.org header.s=k20201202 header.b=X0Euv4a8; dmarc=pass (policy=quarantine) header.from=kernel.org; spf=pass (imf28.hostedemail.com: domain of david@kernel.org designates 172.105.4.254 as permitted sender) smtp.mailfrom=david@kernel.org ARC-Seal: i=1; s=arc-20220608; d=hostedemail.com; t=1773943821; a=rsa-sha256; cv=none; b=gBB2xzrdiK8tzmeXw7sS/GAWZNMLKkmOFJ69iJs/AZSCY7GAHiGGr5v9uOXFeMDipera+J KXvBA54WPFEyv7dlByEC9JnE41DKt6R/0lboaKeUYalud+tldeNEhZsU0qVPeUzlIOMhQW DzOnhhSS43f6EKs8OkQxdCsRRhDFoN8= Received: from smtp.kernel.org (transwarp.subspace.kernel.org [100.75.92.58]) by tor.source.kernel.org (Postfix) with ESMTP id CCE7560053; Thu, 19 Mar 2026 18:10:20 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 8C03DC19424; Thu, 19 Mar 2026 18:10:09 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1773943820; bh=qiycmf8FVsKgiwJW+WF27BXoBUYgMXO2nKq2qH8/V9w=; h=Date:Subject:To:Cc:References:From:In-Reply-To:From; b=X0Euv4a8xyCYdsckpAbt8fT6LqhKk7IuU0UqphcoasZc2okaGlb+kQYu+uazvOUtq 85f+tSHFspaDj1edmQOYfSf5Ln5e81IFaOedSogu+LxydtG1FDpGmK9cZBlZ5AYzRa 3uKZfLc+Mxf0MDYXO0yxgs9q6RIzLjuRbFSenCg/KJjHEyTHUYURQrV5WpCEGCaa0E N97jKwxLfoj1ZChZKwjSPam7zTLbwQPiCGk+kCz60PShf3Pl02lf55TnKyqVR6fsWG h4sM7htBfcjdWtB4m4kvmy0dLFujX92gd2g9Mr2Log7dTfXYTuA10MgzgiWcha4EYZ 7d5LBzU69n9gw== Message-ID: <571af145-df68-4f5d-8f21-a244552e104b@kernel.org> Date: Thu, 19 Mar 2026 19:10:07 +0100 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH 1/2] mm: remove CONFIG_ARCH_ENABLE_MEMORY_HOTREMOVE To: Mike Rapoport Cc: linux-kernel@vger.kernel.org, Catalin Marinas , Will Deacon , Huacai Chen , WANG Xuerui , Madhavan Srinivasan , Michael Ellerman , Nicholas Piggin , "Christophe Leroy (CS GROUP)" , Paul Walmsley , Palmer Dabbelt , Albert Ou , Alexandre Ghiti , Heiko Carstens , Vasily Gorbik , Alexander Gordeev , Christian Borntraeger , Sven Schnelle , Thomas Gleixner , Ingo Molnar , Borislav Petkov , Dave Hansen , x86@kernel.org, "H. Peter Anvin" , Andrew Morton , Lorenzo Stoakes , "Liam R. Howlett" , Vlastimil Babka , Suren Baghdasaryan , Michal Hocko , Zi Yan , Matthew Brost , Joshua Hahn , Rakie Kim , Byungchul Park , Gregory Price , Ying Huang , Alistair Popple , Sebastian Andrzej Siewior , Clark Williams , Steven Rostedt , linux-arm-kernel@lists.infradead.org, loongarch@lists.linux.dev, linuxppc-dev@lists.ozlabs.org, linux-riscv@lists.infradead.org, linux-s390@vger.kernel.org, linux-mm@kvack.org, linux-rt-devel@lists.linux.dev References: <20260319-config_migration-v1-0-42270124966f@kernel.org> <20260319-config_migration-v1-1-42270124966f@kernel.org> From: "David Hildenbrand (Arm)" Content-Language: en-US Autocrypt: addr=david@kernel.org; keydata= xsFNBFXLn5EBEAC+zYvAFJxCBY9Tr1xZgcESmxVNI/0ffzE/ZQOiHJl6mGkmA1R7/uUpiCjJ dBrn+lhhOYjjNefFQou6478faXE6o2AhmebqT4KiQoUQFV4R7y1KMEKoSyy8hQaK1umALTdL QZLQMzNE74ap+GDK0wnacPQFpcG1AE9RMq3aeErY5tujekBS32jfC/7AnH7I0v1v1TbbK3Gp XNeiN4QroO+5qaSr0ID2sz5jtBLRb15RMre27E1ImpaIv2Jw8NJgW0k/D1RyKCwaTsgRdwuK Kx/Y91XuSBdz0uOyU/S8kM1+ag0wvsGlpBVxRR/xw/E8M7TEwuCZQArqqTCmkG6HGcXFT0V9 PXFNNgV5jXMQRwU0O/ztJIQqsE5LsUomE//bLwzj9IVsaQpKDqW6TAPjcdBDPLHvriq7kGjt WhVhdl0qEYB8lkBEU7V2Yb+SYhmhpDrti9Fq1EsmhiHSkxJcGREoMK/63r9WLZYI3+4W2rAc UucZa4OT27U5ZISjNg3Ev0rxU5UH2/pT4wJCfxwocmqaRr6UYmrtZmND89X0KigoFD/XSeVv jwBRNjPAubK9/k5NoRrYqztM9W6sJqrH8+UWZ1Idd/DdmogJh0gNC0+N42Za9yBRURfIdKSb B3JfpUqcWwE7vUaYrHG1nw54pLUoPG6sAA7Mehl3nd4pZUALHwARAQABzS5EYXZpZCBIaWxk ZW5icmFuZCAoQ3VycmVudCkgPGRhdmlkQGtlcm5lbC5vcmc+wsGQBBMBCAA6AhsDBQkmWAik AgsJBBUKCQgCFgICHgUCF4AWIQQb2cqtc1xMOkYN/MpN3hD3AP+DWgUCaYJt/AIZAQAKCRBN 3hD3AP+DWriiD/9BLGEKG+N8L2AXhikJg6YmXom9ytRwPqDgpHpVg2xdhopoWdMRXjzOrIKD g4LSnFaKneQD0hZhoArEeamG5tyo32xoRsPwkbpIzL0OKSZ8G6mVbFGpjmyDLQCAxteXCLXz ZI0VbsuJKelYnKcXWOIndOrNRvE5eoOfTt2XfBnAapxMYY2IsV+qaUXlO63GgfIOg8RBaj7x 3NxkI3rV0SHhI4GU9K6jCvGghxeS1QX6L/XI9mfAYaIwGy5B68kF26piAVYv/QZDEVIpo3t7 /fjSpxKT8plJH6rhhR0epy8dWRHk3qT5tk2P85twasdloWtkMZ7FsCJRKWscm1BLpsDn6EQ4 jeMHECiY9kGKKi8dQpv3FRyo2QApZ49NNDbwcR0ZndK0XFo15iH708H5Qja/8TuXCwnPWAcJ DQoNIDFyaxe26Rx3ZwUkRALa3iPcVjE0//TrQ4KnFf+lMBSrS33xDDBfevW9+Dk6IISmDH1R HFq2jpkN+FX/PE8eVhV68B2DsAPZ5rUwyCKUXPTJ/irrCCmAAb5Jpv11S7hUSpqtM/6oVESC 3z/7CzrVtRODzLtNgV4r5EI+wAv/3PgJLlMwgJM90Fb3CB2IgbxhjvmB1WNdvXACVydx55V7 LPPKodSTF29rlnQAf9HLgCphuuSrrPn5VQDaYZl4N/7zc2wcWM7BTQRVy5+RARAA59fefSDR 9nMGCb9LbMX+TFAoIQo/wgP5XPyzLYakO+94GrgfZjfhdaxPXMsl2+o8jhp/hlIzG56taNdt VZtPp3ih1AgbR8rHgXw1xwOpuAd5lE1qNd54ndHuADO9a9A0vPimIes78Hi1/yy+ZEEvRkHk /kDa6F3AtTc1m4rbbOk2fiKzzsE9YXweFjQvl9p+AMw6qd/iC4lUk9g0+FQXNdRs+o4o6Qvy iOQJfGQ4UcBuOy1IrkJrd8qq5jet1fcM2j4QvsW8CLDWZS1L7kZ5gT5EycMKxUWb8LuRjxzZ 3QY1aQH2kkzn6acigU3HLtgFyV1gBNV44ehjgvJpRY2cC8VhanTx0dZ9mj1YKIky5N+C0f21 zvntBqcxV0+3p8MrxRRcgEtDZNav+xAoT3G0W4SahAaUTWXpsZoOecwtxi74CyneQNPTDjNg azHmvpdBVEfj7k3p4dmJp5i0U66Onmf6mMFpArvBRSMOKU9DlAzMi4IvhiNWjKVaIE2Se9BY FdKVAJaZq85P2y20ZBd08ILnKcj7XKZkLU5FkoA0udEBvQ0f9QLNyyy3DZMCQWcwRuj1m73D sq8DEFBdZ5eEkj1dCyx+t/ga6x2rHyc8Sl86oK1tvAkwBNsfKou3v+jP/l14a7DGBvrmlYjO 59o3t6inu6H7pt7OL6u6BQj7DoMAEQEAAcLBfAQYAQgAJgIbDBYhBBvZyq1zXEw6Rg38yk3e EPcA/4NaBQJonNqrBQkmWAihAAoJEE3eEPcA/4NaKtMQALAJ8PzprBEXbXcEXwDKQu+P/vts IfUb1UNMfMV76BicGa5NCZnJNQASDP/+bFg6O3gx5NbhHHPeaWz/VxlOmYHokHodOvtL0WCC 8A5PEP8tOk6029Z+J+xUcMrJClNVFpzVvOpb1lCbhjwAV465Hy+NUSbbUiRxdzNQtLtgZzOV Zw7jxUCs4UUZLQTCuBpFgb15bBxYZ/BL9MbzxPxvfUQIPbnzQMcqtpUs21CMK2PdfCh5c4gS sDci6D5/ZIBw94UQWmGpM/O1ilGXde2ZzzGYl64glmccD8e87OnEgKnH3FbnJnT4iJchtSvx yJNi1+t0+qDti4m88+/9IuPqCKb6Stl+s2dnLtJNrjXBGJtsQG/sRpqsJz5x1/2nPJSRMsx9 5YfqbdrJSOFXDzZ8/r82HgQEtUvlSXNaXCa95ez0UkOG7+bDm2b3s0XahBQeLVCH0mw3RAQg r7xDAYKIrAwfHHmMTnBQDPJwVqxJjVNr7yBic4yfzVWGCGNE4DnOW0vcIeoyhy9vnIa3w1uZ 3iyY2Nsd7JxfKu1PRhCGwXzRw5TlfEsoRI7V9A8isUCoqE2Dzh3FvYHVeX4Us+bRL/oqareJ CIFqgYMyvHj7Q06kTKmauOe4Nf0l0qEkIuIzfoLJ3qr5UyXc2hLtWyT9Ir+lYlX9efqh7mOY qIws/H2t In-Reply-To: Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-Rspamd-Server: rspam04 X-Rspamd-Queue-Id: 72FF8C000F X-Stat-Signature: k91coatj3zmwdg46yfjgdb9q6e9r8fa9 X-Rspam-User: X-HE-Tag: 1773943821-995900 X-HE-Meta: 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 g2wJvPwv YFqrb2DnDxRLaEZOwnpE6FhHrEX51uCuFOD0vMcg6/MtjW3uAbOxxWEFci1+K+CgBqq1i6yERM7K9B8I= Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: >> arch/arm64/Kconfig | 1 - >> arch/loongarch/Kconfig | 1 - >> arch/powerpc/Kconfig | 1 - >> arch/riscv/Kconfig | 1 - >> arch/s390/Kconfig | 1 - >> arch/x86/Kconfig | 1 - >> mm/Kconfig | 9 +++------ >> 7 files changed, 3 insertions(+), 12 deletions(-) >> >> diff --git a/arch/s390/Kconfig b/arch/s390/Kconfig >> index edc927d9e85a..d01800962d84 100644 >> --- a/arch/s390/Kconfig >> +++ b/arch/s390/Kconfig >> @@ -85,7 +85,6 @@ config S390 >> select ARCH_32BIT_USTAT_F_TINODE >> select ARCH_CORRECT_STACKTRACE_ON_KRETPROBE >> select ARCH_ENABLE_MEMORY_HOTPLUG if SPARSEMEM > > Not really related, but s390 does not have anything but SPARSEMEM_VMEMMAP. yeah, spotted that as well but decided to leave it as is for now. Thanks! -- Cheers, David