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 BDDF5134AB for ; Sat, 3 Aug 2024 18:42:36 +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=1722710556; cv=none; b=TX92GszA7JWcUltw3OGFPs4CPbOsEbdkMjfRqt+YWY/9RKSmGG8KTaq/uTB1hD1XElfqurfv3W6nT+K5hS/QbPMKXRKG/Td/YFWGxu4NY3e3COgJzKQC0B7tOXeLEDRx1cdN5V7iMhEPT5l4inUFPoXWkaCnL5EE77UIPuy6hgA= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1722710556; c=relaxed/simple; bh=yvGI/hpTpuDl/ciCJ2N9Vn+bVQ9XG2MrnUYPEezXz0A=; h=Date:To:From:Subject:Message-Id; b=Z/rtx7O9Gp0yDq1VzSTkvYMC0MOLm8BIJ9Au/7AKqXHUvfxssShAJ/1bRZUdMf6bO2Cx1JyPGIMm4xtguJKuR/5N4TnxgYutWW2gMnCpwCVQUli8FkMjG/XVYDPq59nD0B0mqIB8EjjrC6b12zKZqa6dkZ8zulLPLfGnLg/Vu60= 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=r1Zz2E+4; 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="r1Zz2E+4" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 8CC30C116B1; Sat, 3 Aug 2024 18:42:36 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linux-foundation.org; s=korg; t=1722710556; bh=yvGI/hpTpuDl/ciCJ2N9Vn+bVQ9XG2MrnUYPEezXz0A=; h=Date:To:From:Subject:From; b=r1Zz2E+42qIt/qw9KPNv1Mn0V2DlTkjjE4xIFAy+W4Q3Fl7aEVuu/m23Tvds97ICi nMP7p7/8dHpgxOndZ7ZzfZV61iwZ7XOaae8LclKW84SsvPg699HqRuOOe+/CElvvR6 qcgcs0C6BRiSmV06aoVGHx/0urRhs+R5bGl4pDYs= Date: Sat, 03 Aug 2024 11:42:36 -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-use-get_pfn_range_for_nid-to-verify-that-node-spans-memory.patch added to mm-unstable branch Message-Id: <20240803184236.8CC30C116B1@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: use get_pfn_range_for_nid to verify that node spans memory has been added to the -mm mm-unstable branch. Its filename is x86-numa-use-get_pfn_range_for_nid-to-verify-that-node-spans-memory.patch This patch will shortly appear at https://git.kernel.org/pub/scm/linux/kernel/git/akpm/25-new.git/tree/patches/x86-numa-use-get_pfn_range_for_nid-to-verify-that-node-spans-memory.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: use get_pfn_range_for_nid to verify that node spans memory Date: Thu, 1 Aug 2024 09:08:11 +0300 Instead of looping over numa_meminfo array to detect node's start and end addresses use get_pfn_range_for_init(). This is shorter and make it easier to lift numa_memblks to generic code. Link: https://lkml.kernel.org/r/20240801060826.559858-12-rppt@kernel.org Signed-off-by: Mike Rapoport (Microsoft) Tested-by: Zi Yan [x86_64 and arm64] Reviewed-by: Jonathan Cameron Tested-by: Jonathan Cameron [arm64 + CXL via QEMU] Cc: Alexander Gordeev Cc: Andreas Larsson Cc: Arnd Bergmann Cc: Borislav Petkov Cc: Catalin Marinas Cc: Christophe Leroy Cc: Dan Williams Cc: Dave Hansen Cc: David Hildenbrand 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.c | 13 +++---------- 1 file changed, 3 insertions(+), 10 deletions(-) --- a/arch/x86/mm/numa.c~x86-numa-use-get_pfn_range_for_nid-to-verify-that-node-spans-memory +++ a/arch/x86/mm/numa.c @@ -521,17 +521,10 @@ static int __init numa_register_memblks( /* Finally register nodes. */ for_each_node_mask(nid, node_possible_map) { - u64 start = PFN_PHYS(max_pfn); - u64 end = 0; + unsigned long start_pfn, end_pfn; - for (i = 0; i < mi->nr_blks; i++) { - if (nid != mi->blk[i].nid) - continue; - start = min(mi->blk[i].start, start); - end = max(mi->blk[i].end, end); - } - - if (start >= end) + get_pfn_range_for_nid(nid, &start_pfn, &end_pfn); + if (start_pfn >= end_pfn) continue; alloc_node_data(nid); _ 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 mm-drop-config_have_arch_nodedata_extension.patch arch-mm-move-definition-of-node_data-to-generic-code.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 mm-make-range-to-target_node-lookup-facility-a-part-of-numa_memblks.patch docs-move-numa=fake-description-to-kernel-parameterstxt.patch