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: 13749902 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id EE79FC3DA64 for ; Thu, 1 Aug 2024 07:16:00 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-ID:Date:Subject:Cc:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=+/TG5oWC3PXFmh4FyEJzCDHolS5iVXHK5y5tOXTqyng=; b=rkZs5DIfaBaVgN Ax61iWmV2+X19D9uT8UNOv24orYr+QvLgTZa2maKaWjr3ViV7bmKj2q6qBP3aADgaj+JmrOluyb2o USMuKQyxh5fnx+4Ku7YTGYDMdw+1upYBMl1QFazAhbAYZMqqjvRbZEd+FL89ZgLVBvhfAs/2rVoU2 VXchelIJ30kn9m7P3cTDt9A4bj3q9Y73CnYP6RYYxR5Tj0L8j634UsII2vXSYDhUrcktbAlPoZQH1 UVYdm8/yIhF669XLeC5Vd1sVobLqCE3bnSLSpkXlTIevEpRB0wXaeSr7YZ4efrtsjplAnEVC5ej+M mIWfS7HOeZQLC7NTmTPw==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.97.1 #2 (Red Hat Linux)) id 1sZQ2T-000000048B4-3bEx; Thu, 01 Aug 2024 07:15:53 +0000 Received: from dfw.source.kernel.org ([139.178.84.217]) by bombadil.infradead.org with esmtps (Exim 4.97.1 #2 (Red Hat Linux)) id 1sZP1c-00000003sXG-2g6J; Thu, 01 Aug 2024 06:10:58 +0000 Received: from smtp.kernel.org (transwarp.subspace.kernel.org [100.75.92.58]) by dfw.source.kernel.org (Postfix) with ESMTP id E93086140C; Thu, 1 Aug 2024 06:10:55 +0000 (UTC) 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> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20240731_231056_838837_A9F8F495 X-CRM114-Status: GOOD ( 14.67 ) X-BeenThere: linux-riscv@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-riscv" Errors-To: linux-riscv-bounces+linux-riscv=archiver.kernel.org@lists.infradead.org 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);