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 8E4FC1474A2 for ; Wed, 7 Aug 2024 20:59:12 +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=1723064352; cv=none; b=VovsAugc+lqhDqxxFkWWFEfPUnctCGaBB50SPhI8mdgywMnqAEIwwEx0wyqbIx9MVNLuqr+ej6XeLA65XmlRc0hCmu6PVWWvVR9X7PH6qYu+af8mAG2GupiwZx1ixgTKTOVdeWrdbNWDnUXKktoSegl6a9CeT+LP0WcMMaXMrpM= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1723064352; c=relaxed/simple; bh=98YAM9yXyKLTTOFHyc6gzN363/hbFVWbriM6CeWVyj0=; h=Date:To:From:Subject:Message-Id; b=JeVxzo5A1sAH0XylWxAwlaICO+T/STMbtv7XoydQahky+HjSfNpBJseseNJ2eQhkGNgl7H0/D4RBfFQQmRFGs+OpFY/ySTTG3Eb9vPYwf3Ef8ISWEekwqaEo3jFQbhvpZpoxWYqc9Wls6EmseNZbwznFRIsjqvWZybiXGXfmKOc= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linux-foundation.org header.i=@linux-foundation.org header.b=OrE5HFjL; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linux-foundation.org header.i=@linux-foundation.org header.b="OrE5HFjL" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 1B0EFC32781; Wed, 7 Aug 2024 20:59:12 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linux-foundation.org; s=korg; t=1723064352; bh=98YAM9yXyKLTTOFHyc6gzN363/hbFVWbriM6CeWVyj0=; h=Date:To:From:Subject:From; b=OrE5HFjLaa0OLG9DSm2K3FSIGy1rbYsG9YFXs1VvXi2fOxAvS6pNkFPonaOfG93lk YBhALV5jb6/O8Ve1IWO3vz3kdblfjRAOXXRPkL5eXkKH3UdUaJoJk3lRos/VfnNA+p W6SUJSTEtA4kaexZmTlX4oJYdbv1DVJVuA5nmCpM= Date: Wed, 07 Aug 2024 13:59:11 -0700 To: mm-commits@vger.kernel.org,ziy@nvidia.com,will@kernel.org,tsbogend@alpha.franken.de,tglx@linutronix.de,samuel.holland@sifive.com,robh@kernel.org,rafael@kernel.org,palmer@dabbelt.com,mpe@ellerman.id.au,mingo@redhat.com,Jonathan.Cameron@huawei.com,jiaxun.yang@flygoat.com,hca@linux.ibm.com,gregkh@linuxfoundation.org,gor@linux.ibm.com,glaubitz@physik.fu-berlin.de,david@redhat.com,dave@stgolabs.net,davem@davemloft.net,dave.hansen@linux.intel.com,dan.j.williams@intel.com,corbet@lwn.net,christophe.leroy@csgroup.eu,chenhuacai@kernel.org,catalin.marinas@arm.com,bp@alien8.de,arnd@arndb.de,andreas@gaisler.com,agordeev@linux.ibm.com,rppt@kernel.org,akpm@linux-foundation.org From: Andrew Morton Subject: + x86-numa_emu-simplify-allocation-of-phys_dist.patch added to mm-unstable branch Message-Id: <20240807205912.1B0EFC32781@smtp.kernel.org> Precedence: bulk X-Mailing-List: mm-commits@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: The patch titled Subject: x86/numa_emu: simplify allocation of phys_dist has been added to the -mm mm-unstable branch. Its filename is x86-numa_emu-simplify-allocation-of-phys_dist.patch This patch will shortly appear at https://git.kernel.org/pub/scm/linux/kernel/git/akpm/25-new.git/tree/patches/x86-numa_emu-simplify-allocation-of-phys_dist.patch This patch will later appear in the mm-unstable branch at git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm Before you just go and hit "reply", please: a) Consider who else should be cc'ed b) Prefer to cc a suitable mailing list as well c) Ideally: find the original patch on the mailing list and do a reply-to-all to that, adding suitable additional cc's *** Remember to use Documentation/process/submit-checklist.rst when testing your code *** The -mm tree is included into linux-next via the mm-everything branch at git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm and is updated there every 2-3 working days ------------------------------------------------------ From: "Mike Rapoport (Microsoft)" Subject: x86/numa_emu: simplify allocation of phys_dist Date: Wed, 7 Aug 2024 09:40:57 +0300 By the time numa_emulation() is called, all physical memory is already mapped in the direct map and there is no need to define limits for memblock allocation. Replace memblock_phys_alloc_range() with memblock_alloc(). Link: https://lkml.kernel.org/r/20240807064110.1003856-14-rppt@kernel.org Signed-off-by: Mike Rapoport (Microsoft) Reviewed-by: Jonathan Cameron Tested-by: Zi Yan # for x86_64 and arm64 Tested-by: Jonathan Cameron [arm64 + CXL via QEMU] Acked-by: Dan Williams Acked-by: David Hildenbrand Cc: Alexander Gordeev Cc: Andreas Larsson Cc: Arnd Bergmann Cc: Borislav Petkov Cc: Catalin Marinas Cc: Christophe Leroy Cc: Dave Hansen Cc: Davidlohr Bueso Cc: David S. Miller Cc: Greg Kroah-Hartman Cc: Heiko Carstens Cc: Huacai Chen Cc: Ingo Molnar Cc: Jiaxun Yang Cc: John Paul Adrian Glaubitz Cc: Jonathan Corbet Cc: Michael Ellerman Cc: Palmer Dabbelt Cc: Rafael J. Wysocki Cc: Rob Herring (Arm) Cc: Samuel Holland Cc: Thomas Bogendoerfer Cc: Thomas Gleixner Cc: Vasily Gorbik Cc: Will Deacon Signed-off-by: Andrew Morton --- arch/x86/mm/numa_emulation.c | 8 ++------ 1 file changed, 2 insertions(+), 6 deletions(-) --- a/arch/x86/mm/numa_emulation.c~x86-numa_emu-simplify-allocation-of-phys_dist +++ a/arch/x86/mm/numa_emulation.c @@ -448,15 +448,11 @@ void __init numa_emulation(struct numa_m /* copy the physical distance table */ if (numa_dist_cnt) { - u64 phys; - - phys = memblock_phys_alloc_range(phys_size, PAGE_SIZE, 0, - PFN_PHYS(max_pfn_mapped)); - if (!phys) { + phys_dist = memblock_alloc(phys_size, PAGE_SIZE); + if (!phys_dist) { pr_warn("NUMA: Warning: can't allocate copy of distance table, disabling emulation\n"); goto no_emu; } - phys_dist = __va(phys); for (i = 0; i < numa_dist_cnt; i++) for (j = 0; j < numa_dist_cnt; j++) _ Patches currently in -mm which might be from rppt@kernel.org are mm-move-kernel-numac-to-mm.patch mips-sgi-ip27-make-node_data-the-same-as-on-all-other-architectures.patch mips-sgi-ip27-ensure-node_possible_map-only-contains-valid-nodes.patch mips-sgi-ip27-drop-have_arch_nodedata_extension.patch mips-loongson64-rename-__node_data-to-node_data.patch mips-loongson64-drop-have_arch_nodedata_extension.patch arch-mm-move-definition-of-node_data-to-generic-code.patch mm-drop-config_have_arch_nodedata_extension.patch arch-mm-pull-out-allocation-of-node_data-to-generic-code.patch x86-numa-simplify-numa_distance-allocation.patch x86-numa-use-get_pfn_range_for_nid-to-verify-that-node-spans-memory.patch x86-numa-move-fake_node_-defines-to-numa_emu.patch x86-numa_emu-simplify-allocation-of-phys_dist.patch x86-numa_emu-split-__apicid_to_node-update-to-a-helper-function.patch x86-numa_emu-use-a-helper-function-to-get-max_dma32_pfn.patch x86-numa-numa_addremove_cpu-make-cpu-parameter-unsigned.patch mm-introduce-numa_memblks.patch mm-move-numa_distance-and-related-code-from-x86-to-numa_memblks.patch mm-introduce-numa_emulation.patch mm-numa_memblks-introduce-numa_memblks_init.patch mm-numa_memblks-make-several-functions-and-variables-static.patch mm-numa_memblks-use-memblock_startend_of_dram-when-sanitizing-meminfo.patch of-numa-return-einval-when-no-numa-node-id-is-found.patch arch_numa-switch-over-to-numa_memblks.patch arch_numa-switch-over-to-numa_memblks-fix.patch mm-make-range-to-target_node-lookup-facility-a-part-of-numa_memblks.patch docs-move-numa=fake-description-to-kernel-parameterstxt.patch