From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (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 879803FBEC6; Mon, 11 May 2026 14:06:18 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1778508378; cv=none; b=qWAix6oiQB66a6Zj8YuqI8XEnlr6pz2LBCne8CmHGX7FsnDG0LdREjSrsO0mDRVM0Cm11dtMlqcn/th0QV5/xYOXHaOWY3to1tZK/B0A5aQlO0qP4Rt8wI0fb5ntl0Qy9nARXT72qiB9t4EXyVeMy0Y2bXs8DZq/kOY2U19xKlQ= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1778508378; c=relaxed/simple; bh=9/8M2sHV8SgEK+1FMWV6SnFszJKpiz3SzVlMOl5S/UQ=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=bbAQk+W3nnXVaI676K50IBoGUqVAsnM62rNhq0lFvlQHQWPYhZ1IuPEnGB7we2utgp14KPsdkD2+3GZwuQHCxrxoIB4i0WI6uv67IhwY13Ps9pCmV1QLVyaRQTe7c1u2jkF8rjmllJ9KktIbEoulnQxxePhWomcNna8+VsxK1+A= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=qpwR2/9i; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="qpwR2/9i" 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 Precedence: bulk X-Mailing-List: linux-s390@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: <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