From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-alma10-1.taild15c8.ts.net [100.103.45.18]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 4434A42FCD8; Thu, 16 Jul 2026 14:51:53 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=100.103.45.18 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1784213514; cv=none; b=k+oDlSftOykPOlF4K4DO20MGPHawvxM0WmIfIqMadEVYf1fwvfh2Hyx0B4h5JEnM2viJ+Jzz8OfvxLQuRDm/kBkGPO1Z95/tItyAkUw3nOkd4Q8sy7Gt81fyfky4kdVayupqnBYCPiPzEWor04wY3C0N8NHbWzp6B+OnHY+srEg= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1784213514; c=relaxed/simple; bh=bYbnYw4Q+fyzvXm5U8U2YE/Pwe+Ip8G+aWc9fnijAv8=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=jc7qYYAKeuaEj8Je4C+pxq3nPpwbNUDICo0Mr2bziJFEsm0q4zYGiSRbOwdcA3eq7Bd1zMyJX86St3ncDRj88pyTIhXW6BxJxCMj50rrRfWTbK6PfzfVsVDwtkKI+YqZMSWjIq18QHA+oLsyPKUsXuj3CiVkEhgNc2HuUXPUK0g= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=Ycdnm1d4; arc=none smtp.client-ip=100.103.45.18 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="Ycdnm1d4" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 826A41F00A3D; Thu, 16 Jul 2026 14:51:48 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1784213512; bh=FtMdM//r+7Y276dxFFM47VzlAtz3XaD8jlXTCfCIVcY=; h=From:Date:Subject:References:In-Reply-To:To:Cc; b=Ycdnm1d42gWDnWDTRojKBNFdh5wn8uBF05tZnLmRs8D6bCVovGm6yJMGC0t9n7AF3 2MtyM/yRovly8/6vZYD80pdwY+uadMTSY5PpLij+IrGFn1v+aJE3Jao1wnjh/yfcum Rze8Ce6AMCBKiYFlunDDKvd/cP6840lu4/NnhUw0OzLC67qbmVK2OcRMG82XzPaD1H 0m9Tr402Uzow6RFwe3QIjK8mKVs+Tv52BWwGCqojl9X6n6G+K6zg/Rj2zYPQefgKRM TxhfM/wy14PKNydPBDFfgEP6QAkH7f1Ly9gi4oMUOnjop13CePyZ0y1FeOEl5nnxG0 +6OvgNjXlXVRg== From: "David Hildenbrand (Arm)" Date: Thu, 16 Jul 2026 16:51:06 +0200 Subject: [PATCH v2 07/10] x86/mm: remove CONFIG_HAVE_BOOTMEM_INFO_NODE Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Message-Id: <20260716-bootmem_info_part2-v2-7-4afc76c73d61@kernel.org> References: <20260716-bootmem_info_part2-v2-0-4afc76c73d61@kernel.org> In-Reply-To: <20260716-bootmem_info_part2-v2-0-4afc76c73d61@kernel.org> To: Dave Hansen , Andy Lutomirski , Peter Zijlstra , Thomas Gleixner , Ingo Molnar , Borislav Petkov , x86@kernel.org, "H. Peter Anvin" , Andrew Morton , Lorenzo Stoakes , "Liam R. Howlett" , Vlastimil Babka , Mike Rapoport , Suren Baghdasaryan , Michal Hocko , Brendan Jackman , Johannes Weiner , Zi Yan , Alexander Gordeev , Gerald Schaefer , Heiko Carstens , Vasily Gorbik , Christian Borntraeger , Sven Schnelle , Muchun Song , Oscar Salvador Cc: linux-kernel@vger.kernel.org, linux-mm@kvack.org, linux-s390@vger.kernel.org, "David Hildenbrand (Arm)" X-Mailer: b4 0.15.2 CONFIG_HAVE_BOOTMEM_INFO_NODE now essentially doesn't do anything. So let's remove support for CONFIG_HAVE_BOOTMEM_INFO_NODE. Reviewed-by: Mike Rapoport (Microsoft) Signed-off-by: David Hildenbrand (Arm) --- arch/x86/mm/init_64.c | 26 -------------------------- mm/Kconfig | 1 - 2 files changed, 27 deletions(-) diff --git a/arch/x86/mm/init_64.c b/arch/x86/mm/init_64.c index 1b17dcf781e66..ab4c5a02326f7 100644 --- a/arch/x86/mm/init_64.c +++ b/arch/x86/mm/init_64.c @@ -33,7 +33,6 @@ #include #include #include -#include #include #include @@ -1286,16 +1285,6 @@ void __ref arch_remove_memory(u64 start, u64 size, struct vmem_altmap *altmap, static struct kcore_list kcore_vsyscall; -static void __init register_page_bootmem_info(void) -{ -#if defined(CONFIG_NUMA) || defined(CONFIG_HUGETLB_PAGE_OPTIMIZE_VMEMMAP) - int i; - - for_each_online_node(i) - register_page_bootmem_info_node(NODE_DATA(i)); -#endif -} - /* * Pre-allocates page-table pages for the vmalloc area in the kernel page-table. * Only the level which needs to be synchronized between all page-tables is @@ -1358,14 +1347,6 @@ void __init mem_init(void) after_bootmem = 1; x86_init.hyper.init_after_bootmem(); - /* - * Must be done after boot memory is put on freelist, because here we - * might set fields in deferred struct pages that have not yet been - * initialized, and memblock_free_all() initializes all the reserved - * deferred pages for us. - */ - register_page_bootmem_info(); - /* Register memory areas for /proc/kcore */ if (get_gate_vma(&init_mm)) kclist_add(&kcore_vsyscall, (void *)VSYSCALL_ADDR, PAGE_SIZE, KCORE_USER); @@ -1564,13 +1545,6 @@ int __meminit vmemmap_populate(unsigned long start, unsigned long end, int node, return err; } -#ifdef CONFIG_HAVE_BOOTMEM_INFO_NODE -void register_page_bootmem_memmap(unsigned long section_nr, - struct page *start_page, unsigned long nr_pages) -{ -} -#endif - void __meminit vmemmap_populate_print_last(void) { if (p_start) { diff --git a/mm/Kconfig b/mm/Kconfig index f794a341d7422..592003a258bad 100644 --- a/mm/Kconfig +++ b/mm/Kconfig @@ -590,7 +590,6 @@ endchoice config MEMORY_HOTREMOVE bool "Allow for memory hot remove" - select HAVE_BOOTMEM_INFO_NODE if X86_64 depends on MEMORY_HOTPLUG select MIGRATION -- 2.43.0