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 8F338CD37BE for ; Mon, 11 May 2026 14:06:46 +0000 (UTC) Received: from boromir.ozlabs.org (localhost [127.0.0.1]) by lists.ozlabs.org (Postfix) with ESMTP id 4gDhNF3CgRz2y8t; Tue, 12 May 2026 00:06:21 +1000 (AEST) Authentication-Results: lists.ozlabs.org; arc=none smtp.remote-ip="2600:3c04:e001:324:0:1991:8:25" ARC-Seal: i=1; a=rsa-sha256; d=lists.ozlabs.org; s=201707; t=1778508381; cv=none; b=oV6zJL+TKH6HdXBah8pmhabqdUmxDYLvKNaI2RnNm2qEVUtG6AZ4qeFvE+5qED5fcB1LSf3ln/7CjGN+EgjUEDcb4lK/6Ky0kJJBsomQUxZdqxSK0LB4nSE0r7U9gqfXg411QkI7FLM2JLQhUnclZVqrNjlXFyK1S+fqvkBToLO2JFpdB0gKwpqD5a8PyOg7Y/JUxvm/XT2/AfLPbLqWon6ETsxGX16ln9qDuzU9QbZFPe56EBzwvbkg3/ADust82GPSve5I7S7pKrHmhgSC2UtOnAFA4QW0VorfQ4QLtlAnxELUunbCrRH5XWldiU/u2m9SLokDSYi6sPblQEIirg== ARC-Message-Signature: i=1; a=rsa-sha256; d=lists.ozlabs.org; s=201707; t=1778508381; c=relaxed/relaxed; bh=946HNQNfXuzzT50sg+6zOZh3cOdkYAiL2RkiOXSaKFw=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=FTphSEOy4jNHi+h/eD1OipWnIA9p31tTBjQgmBVDKmB9eNkT/FLdzmISPXvn1tcVr1ae60IlpgR06AnmHKJ/DR5UA3LMgLHoWClOZJuIAJ9iOaJsPifdPYvZ/n9pzSXSekgKXNb/Y34xttrXt+tQxnp7e3YrFlOw4ABv1R2iAiuDfYkeh9Neatp+3dpU7Csak7C5KE5cOUjysyaEySGN2PJtgO7ppvwNrUsDNuu8HFU4vsrC5n3SP2WqSdHuWbEYvXR+jYynNhZbQt8C71GF/Tpo9jKWbStu9dqOhtdB5UDHGo5SI7KIHIbFdUxOTiWIadINx7cbJDg3q3gmbHnAmA== ARC-Authentication-Results: i=1; lists.ozlabs.org; dmarc=pass (p=quarantine dis=none) header.from=kernel.org; dkim=pass (2048-bit key; unprotected) header.d=kernel.org header.i=@kernel.org header.a=rsa-sha256 header.s=k20201202 header.b=qpwR2/9i; dkim-atps=neutral; spf=pass (client-ip=2600:3c04:e001:324:0:1991:8:25; helo=tor.source.kernel.org; envelope-from=david@kernel.org; receiver=lists.ozlabs.org) smtp.mailfrom=kernel.org Authentication-Results: lists.ozlabs.org; dmarc=pass (p=quarantine dis=none) header.from=kernel.org Authentication-Results: lists.ozlabs.org; dkim=pass (2048-bit key; unprotected) header.d=kernel.org header.i=@kernel.org header.a=rsa-sha256 header.s=k20201202 header.b=qpwR2/9i; dkim-atps=neutral Authentication-Results: lists.ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=kernel.org (client-ip=2600:3c04:e001:324:0:1991:8:25; helo=tor.source.kernel.org; envelope-from=david@kernel.org; receiver=lists.ozlabs.org) Received: from tor.source.kernel.org (tor.source.kernel.org [IPv6:2600:3c04:e001:324:0:1991:8:25]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange x25519) (No client certificate requested) by lists.ozlabs.org (Postfix) with ESMTPS id 4gDhND3sYvz2x9N for ; Tue, 12 May 2026 00:06:20 +1000 (AEST) Received: from smtp.kernel.org (transwarp.subspace.kernel.org [100.75.92.58]) by tor.source.kernel.org (Postfix) with ESMTP id 7063360141; Mon, 11 May 2026 14:06:18 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id A8C15C2BCFB; Mon, 11 May 2026 14:06:13 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1778508378; bh=9/8M2sHV8SgEK+1FMWV6SnFszJKpiz3SzVlMOl5S/UQ=; h=From:Date:Subject:References:In-Reply-To:To:Cc:From; b=qpwR2/9iNsX4kETinr2qHODBsLGHsPUUZrTsmeM9AESKVpqbk81P30B5Y9V29uk9A tXiVq2FwNHSyozJ2+Ri3cRbL1te3EmQaN+VS+XQYpJYTlcm4xAPX27yYLrh7nmMTrD gA0MD1DSzhX+9wxHm5shlRSunGZB+V2A7zDp7v7yvUne5T/2ZCeEFG/K7hMiMRiRtQ gX4ninWFuT2qb9iDdfMe862XUG6AnojfBtmLDvIdhyWwqMS4Ma3gvo6DH1pHILXIua TT8+gJHZ/sGaRLC2K7SHzvggQ6ftTyvU53+mUI/B+NKg17cQzQP7qfBknfq8GwUGkw 60KofuPliv/dg== From: "David Hildenbrand (Arm)" Date: Mon, 11 May 2026 16:05:36 +0200 Subject: [PATCH 8/8] powerpc/mm: remove CONFIG_HAVE_BOOTMEM_INFO_NODE 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-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Message-Id: <20260511-bootmem_info_prep-v1-8-3fb0be6fc688@kernel.org> References: <20260511-bootmem_info_prep-v1-0-3fb0be6fc688@kernel.org> In-Reply-To: <20260511-bootmem_info_prep-v1-0-3fb0be6fc688@kernel.org> To: "David S. Miller" , Andreas Larsson , Mike Rapoport , Andrew Morton , Alexander Gordeev , Gerald Schaefer , Heiko Carstens , Vasily Gorbik , Christian Borntraeger , Sven Schnelle , Madhavan Srinivasan , Michael Ellerman , Nicholas Piggin , "Christophe Leroy (CS GROUP)" , Lorenzo Stoakes , "Liam R. Howlett" , Vlastimil Babka , Suren Baghdasaryan , Michal Hocko Cc: sparclinux@vger.kernel.org, linux-kernel@vger.kernel.org, linux-mm@kvack.org, linux-s390@vger.kernel.org, linuxppc-dev@lists.ozlabs.org, "David Hildenbrand (Arm)" X-Mailer: b4 0.13.0 register_page_bootmem_info_node() essentially only calls register_page_bootmem_memmap(). However, on powerpc that function is a nop. So there is not benefit in using CONFIG_HAVE_BOOTMEM_INFO_NODE anymore, let's just drop it. We can stop including bootmem_info.h. Signed-off-by: David Hildenbrand (Arm) --- arch/powerpc/mm/init_64.c | 8 -------- mm/Kconfig | 2 +- 2 files changed, 1 insertion(+), 9 deletions(-) diff --git a/arch/powerpc/mm/init_64.c b/arch/powerpc/mm/init_64.c index b6f3ae03ca9e..64f0df5bb5cd 100644 --- a/arch/powerpc/mm/init_64.c +++ b/arch/powerpc/mm/init_64.c @@ -41,7 +41,6 @@ #include #include #include -#include #include #include @@ -388,13 +387,6 @@ void __ref vmemmap_free(unsigned long start, unsigned long end, #endif -#ifdef CONFIG_HAVE_BOOTMEM_INFO_NODE -void register_page_bootmem_memmap(unsigned long section_nr, - struct page *start_page, unsigned long size) -{ -} -#endif /* CONFIG_HAVE_BOOTMEM_INFO_NODE */ - #endif /* CONFIG_SPARSEMEM_VMEMMAP */ #ifdef CONFIG_PPC_BOOK3S_64 diff --git a/mm/Kconfig b/mm/Kconfig index e221fa1dc54d..97b079372325 100644 --- a/mm/Kconfig +++ b/mm/Kconfig @@ -537,7 +537,7 @@ endchoice config MEMORY_HOTREMOVE bool "Allow for memory hot remove" - select HAVE_BOOTMEM_INFO_NODE if (X86_64 || PPC64) + select HAVE_BOOTMEM_INFO_NODE if X86_64 depends on MEMORY_HOTPLUG select MIGRATION -- 2.43.0