From patchwork Tue Jul 23 06:41:42 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Mike Rapoport X-Patchwork-Id: 13739491 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 8307213D89A; Tue, 23 Jul 2024 06:44:25 +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=1721717065; cv=none; b=f+DE6T+A0wrhGXwhnU+TVmmwY8qBD0DpSt1RFvz2jXcE2uLCWHlQnSFo1Nj3gIKREIAyW6lmgrYpC938IHJbZZm3jwyTD1PsigdfpSvJPpePVj2RJXVNOOnKO5ipRXY825UdQCVrVvR20CxxgtcDCTYOvanS5V3OLv7fmRKYOdo= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1721717065; c=relaxed/simple; bh=c6DgXq0zS+r3QhZ5flAVfEs4FfALF1+j15wi2hevr+8=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=okj/HxvC14Oha2LJOEBJjG9ec4ZSB7U+HfPIJEtpxCRU5tu8zkBQz22+iHCcXB3UzUWQHsQrA1nE+/KhLWnigJxCuRQSgl1R3ksmL1ja+FzcMiC4WH1/tYxKdHqTR9TTLXWXgvv1k0iE/901kUFSeutFZlSpUKF+hbgTAdZpDqA= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=Za5Jhcet; 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="Za5Jhcet" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 1F62DC4AF09; Tue, 23 Jul 2024 06:44:13 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1721717065; bh=c6DgXq0zS+r3QhZ5flAVfEs4FfALF1+j15wi2hevr+8=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=Za5JhcetTAfLRbJccTWeAUNIxgrg96br5y87BwWzZPLzZYM5IjOw4ndfZ4nIfWM9a 0kYpHEGaCq6sHARpYneu6wGWScDkDxMY9UcV7dpRLzFycumSP2BoGDaLlTOqcZLXTy MhVwp5rCs8e2OGmBS9+/Gn4wMTzHhc60AFxKa0ONJzfcOahicEDT4gok1reEmHY3m/ yJ8eHIgkq+6rm34FFaAF6eeeqrWyvK1zv4CjW5ghkagLShm8uJGUIM4w2FQQtbu2np +gfe1coXyBC8uzt0RQsU4ls3le21w36/2yCPFPHrBIKqMRwOZM2lnaFEnBfBxNNJvK Lhh8CDiwUIDtw== 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 v2 11/25] x86/numa: use get_pfn_range_for_nid to verify that node spans memory Date: Tue, 23 Jul 2024 09:41:42 +0300 Message-ID: <20240723064156.4009477-12-rppt@kernel.org> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20240723064156.4009477-1-rppt@kernel.org> References: <20240723064156.4009477-1-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) --- 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);