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.ozlabs.org (lists.ozlabs.org [112.213.38.117]) (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 D5717109022E for ; Thu, 19 Mar 2026 14:14:46 +0000 (UTC) Received: from boromir.ozlabs.org (localhost [127.0.0.1]) by lists.ozlabs.org (Postfix) with ESMTP id 4fc74P35pTz2ynW; Fri, 20 Mar 2026 01:14:45 +1100 (AEDT) Authentication-Results: lists.ozlabs.org; arc=none smtp.remote-ip="2607:f8b0:4864:20::c2d" ARC-Seal: i=1; a=rsa-sha256; d=lists.ozlabs.org; s=201707; t=1773929685; cv=none; b=f+s5zS8H11CV/EJAl7wHFlMJUPcnLvqo907ipjrTxItFyUScUPkM+2G75tIH9LGkK3/BpiUzHe7r6f3Kh1i/5LcZSzhjMve5fRNHDt4JyWrY/h4vrUv3cDibz6ZDUoZsJu3E9+uRuzO/F5LSkaSPyBmpw4DwkeXpxD7EpsUpeyyxEA2QIWwMqMOTvgo/aLtchufkM+oAaM4Mser77aXfJ1OsORCwtDtPi7SvIrrnLlM/QomXxUf0Y6BFuItOoocXsZzO5hCWRmPIpYsMCkbj6HLGS3AgJKQkfbvAHVmAdaUxm5B+q6j3acRN61qZgvqQLHFt2MhuKtHNmQIMsG5rXw== ARC-Message-Signature: i=1; a=rsa-sha256; d=lists.ozlabs.org; s=201707; t=1773929685; c=relaxed/relaxed; bh=ntFH0htT9ffFrh9knb0jn+m+GRQSXC/6K3X5v8dqre4=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=BL+3N3HnwA20TdYiyHh22xAcAOYB7rJcswHmmq3iIHZ+4pf2WeQmoFPZkRve7gdhtriTZONIuyAiITrkEXTvH7WQizHjmJDJCd/APHXbRUlhTdAXmTzL3LsjTC8rFM2nezaaOzjyDNznhP+TJMeb0uxe1W6817CRDsQoT5N6Qzviezj6kKWcD5UcKnuh0lmpuqG6BKzcikyEsBNaD+B8oTPr+nWCj3CwRRjb7sHErSFiaUvk4JsW3ShqZsAp8PkIr0XGOv3gPW9FsLF7S8nwimPU/DXdpqusUxfzV74fuM2AtlDIMybyy82DCJ6NDSksZV1d6YfmJ9t4sY24+qtveQ== ARC-Authentication-Results: i=1; lists.ozlabs.org; dmarc=pass (p=none dis=none) header.from=gmail.com; dkim=pass (2048-bit key; unprotected) header.d=gmail.com header.i=@gmail.com header.a=rsa-sha256 header.s=20230601 header.b=HAyxvvNc; dkim-atps=neutral; spf=pass (client-ip=2607:f8b0:4864:20::c2d; helo=mail-oo1-xc2d.google.com; envelope-from=joshua.hahnjy@gmail.com; receiver=lists.ozlabs.org) smtp.mailfrom=gmail.com Authentication-Results: lists.ozlabs.org; dmarc=pass (p=none dis=none) header.from=gmail.com Authentication-Results: lists.ozlabs.org; dkim=pass (2048-bit key; unprotected) header.d=gmail.com header.i=@gmail.com header.a=rsa-sha256 header.s=20230601 header.b=HAyxvvNc; dkim-atps=neutral Authentication-Results: lists.ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=gmail.com (client-ip=2607:f8b0:4864:20::c2d; helo=mail-oo1-xc2d.google.com; envelope-from=joshua.hahnjy@gmail.com; receiver=lists.ozlabs.org) Received: from mail-oo1-xc2d.google.com (mail-oo1-xc2d.google.com [IPv6:2607:f8b0:4864:20::c2d]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange x25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by lists.ozlabs.org (Postfix) with ESMTPS id 4fc74N3b3Xz2ygT for ; Fri, 20 Mar 2026 01:14:44 +1100 (AEDT) Received: by mail-oo1-xc2d.google.com with SMTP id 006d021491bc7-67bade86c09so469898eaf.0 for ; Thu, 19 Mar 2026 07:14:44 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20230601; t=1773929682; x=1774534482; darn=lists.ozlabs.org; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=ntFH0htT9ffFrh9knb0jn+m+GRQSXC/6K3X5v8dqre4=; b=HAyxvvNceWONHcSTJpKAx3OqROZJtq8n+2DF2c7Ez25Jhl4YFnMd+MRfNVXPV6N99+ yk2E2L74CQlJNGR8MGxrQ4eZLA3KaUWHR43k63Rq1xn61GESS5oykKzOLQJzxCrXqEqu ooj8KLtFOih7nZUdZccf6FGMBIMx0UTmHHF1diXSWoI5EWgDJQI8HUOTaSp8LsVA3YIq VhzSHm+ZeTz2+igAeRad7Ca19PV0YnhvfMlcLyPdLA6GEuXXBiLMd6JoYyEmXwY5cEAj TgaFMo8C8AeLAomV3fLu1F7sj3ZOe9rU4zIUHFZQn3aijRBllaOulc0FZasBrVyW70vG 1kcg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20251104; t=1773929682; x=1774534482; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-gg:x-gm-message-state:from :to:cc:subject:date:message-id:reply-to; bh=ntFH0htT9ffFrh9knb0jn+m+GRQSXC/6K3X5v8dqre4=; b=HhTL9Z90HppsX0F21CHwn+yO2Jz2HCltEJxXUxmLYYf6HgLLDcGzaE5OE9NPpgILbm F+vCqy/rjf+d9dORpVRLZO9cANQOqUUSC5DLiF0mN7IWUSTOycemd6ROss20dqhY7a/W TgwsWtyt6sHnF1xkQRrFnyi+2/1EHBpvygdrGTPC9gIIbQE8jq533O9kuOaN/230uuxR 8GNzasCf/+OcQBInJ0Y8miB/lLf3VkmJSX2p1s5vCgk7fnnAzLx8r/Io88FwdV9sy9el xgjoGxv27s4SQ6Aa+B6EseT2kuFsh65tUyyflScl/CXQbDKqpDp9zzYg60fOH65jf7NQ aN0w== X-Forwarded-Encrypted: i=1; AJvYcCUYLsDYwlOU3sPGdAgP0soKIeI16j9Cl5PhO4+S6AV3VIbhlMlx1VE/o8ZMkbcoOsVh++cF0sJUAEfG480=@lists.ozlabs.org X-Gm-Message-State: AOJu0YwCDsyZ8FemiRQIMC0nK7Ynv3TmpkcKl5/XAYoLAzmRIF+51Yr3 YRvw0FEodJ2anv/jyyg0+jSD6oUVEGwZ1t3TGMGVxfamvlerfF+YZnOz X-Gm-Gg: ATEYQzy6poH76CmKgSwC3f5pslgtrQ5i4DB/Mf5NJJIRToVk7GcbvgeADmYTazGNuM6 UbmqTyo4DxlAg72GTttNH/Jv7KMNeiVmyr4NyuGuqxdZs/6Pv2xohPvyA0y35rY61sXdiFNJcBi cwv3es7u+/uUIXiRmOvPBrBHOzHEpKxkNRAVtt2f6T/0PVfvwZGoI4877T7+KqNDvDsgpjRTFdT 92duWnZFaBguegIvUiPKN+uSLR0PcIBHcXGCuF4u1L2ek2rwUcEcT3Jhme0fhO32GFscfH9902e S/heFrZbSKj7/N70kuF4AdWNZLXwGMB2j2dwF2ncTlvBqSkHSy7W8rsJsXJMsR+Iw7RKzriRO0A HOIbQR4RIp3C6kGmjYaqUY4yHRNPx/uxdt/qdZ2nNxHCPPREIeP1JI8GyKbW4snlZBPzCM1jCaH 5xppDeAqJdOdNtluZoXtfr X-Received: by 2002:a05:6820:1518:b0:67c:c4e:4ca with SMTP id 006d021491bc7-67c0dab23c8mr4161966eaf.29.1773929681867; Thu, 19 Mar 2026 07:14:41 -0700 (PDT) Received: from localhost ([2a03:2880:10ff:8::]) by smtp.gmail.com with ESMTPSA id 586e51a60fabf-41bd689e3cdsm5313808fac.6.2026.03.19.07.14.41 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 19 Mar 2026 07:14:41 -0700 (PDT) From: Joshua Hahn To: "David Hildenbrand (Arm)" Cc: linux-kernel@vger.kernel.org, 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 , Mike Rapoport , Suren Baghdasaryan , Michal Hocko , Zi Yan , Matthew Brost , 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 Subject: Re: [PATCH 1/2] mm: remove CONFIG_ARCH_ENABLE_MEMORY_HOTREMOVE Date: Thu, 19 Mar 2026 07:14:36 -0700 Message-ID: <20260319141439.218078-1-joshua.hahnjy@gmail.com> X-Mailer: git-send-email 2.52.0 In-Reply-To: <20260319-config_migration-v1-1-42270124966f@kernel.org> References: X-Mailing-List: linuxppc-dev@lists.ozlabs.org List-Id: List-Help: List-Owner: List-Post: List-Archive: , List-Subscribe: , , List-Unsubscribe: Precedence: list MIME-Version: 1.0 Content-Transfer-Encoding: 8bit On Thu, 19 Mar 2026 09:19:40 +0100 "David Hildenbrand (Arm)" wrote: > All architectures that select CONFIG_ARCH_ENABLE_MEMORY_HOTREMOVE also > select CONFIG_ARCH_ENABLE_MEMORY_HOTPLUG. So we can just remove > CONFIG_ARCH_ENABLE_MEMORY_HOTREMOVE. > > For CONFIG_MIGRATION, make it depend on CONFIG_MEMORY_HOTREMOVE instead, > and make CONFIG_MEMORY_HOTREMOVE select CONFIG_MIGRATION (just like > CONFIG_CMA and CONFIG_COMPACTION already do). > > We'll clean up CONFIG_MIGRATION next. > > Signed-off-by: David Hildenbrand (Arm) Hello David, Looks good to me : -) Thank you for the patch, I hope you have a great day! Reviewed-by: Joshua Hahn