From patchwork Thu Aug 1 06:08:11 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Mike Rapoport X-Patchwork-Id: 13749669 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 1D4AA157A5A; Thu, 1 Aug 2024 06:10:55 +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=1722492656; cv=none; b=Xg/t/42zpK1a+kPue+NUCHnZ5Cvs0jSPNY817ZA2M8t8vdSvH0FL6MKGdIvBkEHOFQtqhwHYNq/SKDgO3I08gz7YF7MkvudM4uCl5LAVdixjg+1Jyt0GSjoeufKVBd2KAKdIp/fFYeO4SSJphzQNLbu++0QFE9JE/XaCAf0YHKI= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1722492656; c=relaxed/simple; bh=Rjf0iRc+VbNov1IXYA1f8/WuGCpuVfgjGuHB5zpeQrI=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=ew2OK0AgYNG7cJbkXQdIXhqOVVn0694gtFXEVx1PWGADJjFuT1ij9Co1xZC7/hDfpotyL9X5+lYLs31ctbKPsIeaAu7X7EDIc9oKht14kEeztJ7JwarlmaNHmtY8lA+wjocaMtEu0SPiaBGXCuM5TZcDscuzgO4CgBLnbhscv7c= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=bNC6SBuY; 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="bNC6SBuY" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 959F9C4AF09; Thu, 1 Aug 2024 06:10:44 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1722492655; bh=Rjf0iRc+VbNov1IXYA1f8/WuGCpuVfgjGuHB5zpeQrI=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=bNC6SBuY+2C9vgNv6AmEuNkLzbIiXAVs/wMzl1r36Gs0k8CLoQWb0q62HVoiTSgwA yQRxQAj2MPhJPq0x0p/VUMiIU9P2gj0sy8r4TrFGEl5cblhhm6dYAsyBqUDMFH+X+W +D8Q7EB3niaXdEH17S/n6XfMr5sBAkGSoqR2/AdaFEBFqO95ruILiTWlbyxMwoc2Ih gyipgDPNN380SXng7+cEQlO6DS0+22xe+S8kPgh/BsQ9oW27iWFyuyh5YutwywPGcT LFaiTvhOfihkxBHZNNKH6590ZbIZ1bzu/P7b+HwhiGgpJyPBVSvwX30a7PsrsgvCDJ El5tISvg50iFA== From: Mike Rapoport To: linux-kernel@vger.kernel.org Cc: Alexander Gordeev , Andreas Larsson , Andrew Morton , Arnd Bergmann , Borislav Petkov , Catalin Marinas , Christophe Leroy , Dan Williams , Dave Hansen , David Hildenbrand , "David S. Miller" , Davidlohr Bueso , Greg Kroah-Hartman , Heiko Carstens , Huacai Chen , Ingo Molnar , Jiaxun Yang , John Paul Adrian Glaubitz , Jonathan Cameron , Jonathan Corbet , Michael Ellerman , Mike Rapoport , Palmer Dabbelt , "Rafael J. Wysocki" , Rob Herring , Samuel Holland , Thomas Bogendoerfer , Thomas Gleixner , Vasily Gorbik , Will Deacon , Zi Yan , devicetree@vger.kernel.org, linux-acpi@vger.kernel.org, linux-arch@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-cxl@vger.kernel.org, linux-doc@vger.kernel.org, linux-mips@vger.kernel.org, linux-mm@kvack.org, linux-riscv@lists.infradead.org, linux-s390@vger.kernel.org, linux-sh@vger.kernel.org, linuxppc-dev@lists.ozlabs.org, loongarch@lists.linux.dev, nvdimm@lists.linux.dev, sparclinux@vger.kernel.org, x86@kernel.org Subject: [PATCH v3 11/26] x86/numa: use get_pfn_range_for_nid to verify that node spans memory Date: Thu, 1 Aug 2024 09:08:11 +0300 Message-ID: <20240801060826.559858-12-rppt@kernel.org> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20240801060826.559858-1-rppt@kernel.org> References: <20240801060826.559858-1-rppt@kernel.org> Precedence: bulk X-Mailing-List: linux-sh@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 From: "Mike Rapoport (Microsoft)" 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. Signed-off-by: Mike Rapoport (Microsoft) Tested-by: Zi Yan # for x86_64 and arm64 Reviewed-by: Jonathan Cameron Acked-by: David Hildenbrand --- arch/x86/mm/numa.c | 13 +++---------- 1 file changed, 3 insertions(+), 10 deletions(-) diff --git a/arch/x86/mm/numa.c b/arch/x86/mm/numa.c index edfc38803779..cfe7e5477cf8 100644 --- a/arch/x86/mm/numa.c +++ b/arch/x86/mm/numa.c @@ -521,17 +521,10 @@ static int __init numa_register_memblks(struct numa_meminfo *mi) /* 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);